Home / 170,807,427.60-256,211,141.40-162,446,672.40

Finding the Fourth Proportional to 170,807,427.60, 256,211,141.40 and 162,446,672.40

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Solution

The fourth proportional to 170,807,427.60, 256,211,141.40 and 162,446,672.40 is: 243,670,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,807,427.60 : 256,211,141.40 = 162,446,672.40 : x
  2. Step 2: Convert to fraction form
    170,807,427.60/256,211,141.40 = 162,446,672.40/x
  3. Step 3: Cross multiply
    170,807,427.60x = 256,211,141.40 × 162,446,672.40
  4. Step 4: Simplify right side
    170,807,427.60x = 41,620,647,352,235,880
  5. Step 5: Solve for x
    x = 41,620,647,352,235,880/170,807,427.60
  6. Step 6: Final answer
    x = 243,670,008.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.