Home / 437,268.80-656,056.80-156,795.20

Finding the Fourth Proportional to 437,268.80, 656,056.80 and 156,795.20

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Solution

The fourth proportional to 437,268.80, 656,056.80 and 156,795.20 is: 235,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,268.80 : 656,056.80 = 156,795.20 : x
  2. Step 2: Convert to fraction form
    437,268.80/656,056.80 = 156,795.20/x
  3. Step 3: Cross multiply
    437,268.80x = 656,056.80 × 156,795.20
  4. Step 4: Simplify right side
    437,268.80x = 102,866,557,167.36
  5. Step 5: Solve for x
    x = 102,866,557,167.36/437,268.80
  6. Step 6: Final answer
    x = 235,247.88

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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.