Home / 170,870.20-256,305.30-162,316.60

Finding the Fourth Proportional to 170,870.20, 256,305.30 and 162,316.60

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Solution

The fourth proportional to 170,870.20, 256,305.30 and 162,316.60 is: 243,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,870.20 : 256,305.30 = 162,316.60 : x
  2. Step 2: Convert to fraction form
    170,870.20/256,305.30 = 162,316.60/x
  3. Step 3: Cross multiply
    170,870.20x = 256,305.30 × 162,316.60
  4. Step 4: Simplify right side
    170,870.20x = 41,602,604,857.98
  5. Step 5: Solve for x
    x = 41,602,604,857.98/170,870.20
  6. Step 6: Final answer
    x = 243,474.90

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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.