Home / 157,079.28-235,653.48-74,066.16

Finding the Fourth Proportional to 157,079.28, 235,653.48 and 74,066.16

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Solution

The fourth proportional to 157,079.28, 235,653.48 and 74,066.16 is: 111,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,079.28 : 235,653.48 = 74,066.16 : x
  2. Step 2: Convert to fraction form
    157,079.28/235,653.48 = 74,066.16/x
  3. Step 3: Cross multiply
    157,079.28x = 235,653.48 × 74,066.16
  4. Step 4: Simplify right side
    157,079.28x = 17,453,948,354.24
  5. Step 5: Solve for x
    x = 17,453,948,354.24/157,079.28
  6. Step 6: Final answer
    x = 111,115.54

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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.