Home / 437,941.28-656,620.08-157,422.08

Finding the Fourth Proportional to 437,941.28, 656,620.08 and 157,422.08

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Solution

The fourth proportional to 437,941.28, 656,620.08 and 157,422.08 is: 236,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,941.28 : 656,620.08 = 157,422.08 : x
  2. Step 2: Convert to fraction form
    437,941.28/656,620.08 = 157,422.08/x
  3. Step 3: Cross multiply
    437,941.28x = 656,620.08 × 157,422.08
  4. Step 4: Simplify right side
    437,941.28x = 103,366,498,763.37
  5. Step 5: Solve for x
    x = 103,366,498,763.37/437,941.28
  6. Step 6: Final answer
    x = 236,028.22

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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.