Home / 437,623.10-656,434.65-157,168.70

Finding the Fourth Proportional to 437,623.10, 656,434.65 and 157,168.70

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Solution

The fourth proportional to 437,623.10, 656,434.65 and 157,168.70 is: 235,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,623.10 : 656,434.65 = 157,168.70 : x
  2. Step 2: Convert to fraction form
    437,623.10/656,434.65 = 157,168.70/x
  3. Step 3: Cross multiply
    437,623.10x = 656,434.65 × 157,168.70
  4. Step 4: Simplify right side
    437,623.10x = 103,170,980,575.46
  5. Step 5: Solve for x
    x = 103,170,980,575.46/437,623.10
  6. Step 6: Final answer
    x = 235,753.05

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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.