Home / 274,631.60-411,947.40-156,666.80

Finding the Fourth Proportional to 274,631.60, 411,947.40 and 156,666.80

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Solution

The fourth proportional to 274,631.60, 411,947.40 and 156,666.80 is: 235,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,631.60 : 411,947.40 = 156,666.80 : x
  2. Step 2: Convert to fraction form
    274,631.60/411,947.40 = 156,666.80/x
  3. Step 3: Cross multiply
    274,631.60x = 411,947.40 × 156,666.80
  4. Step 4: Simplify right side
    274,631.60x = 64,538,480,926.32
  5. Step 5: Solve for x
    x = 64,538,480,926.32/274,631.60
  6. Step 6: Final answer
    x = 235,000.20

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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.