Home / 157,464.16-235,152.48-138,387.04

Finding the Fourth Proportional to 157,464.16, 235,152.48 and 138,387.04

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Solution

The fourth proportional to 157,464.16, 235,152.48 and 138,387.04 is: 206,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464.16 : 235,152.48 = 138,387.04 : x
  2. Step 2: Convert to fraction form
    157,464.16/235,152.48 = 138,387.04/x
  3. Step 3: Cross multiply
    157,464.16x = 235,152.48 × 138,387.04
  4. Step 4: Simplify right side
    157,464.16x = 32,542,055,655.86
  5. Step 5: Solve for x
    x = 32,542,055,655.86/157,464.16
  6. Step 6: Final answer
    x = 206,663.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.