Home / 157,074.03-235,645.61-74,060.91

Finding the Fourth Proportional to 157,074.03, 235,645.61 and 74,060.91

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Solution

The fourth proportional to 157,074.03, 235,645.61 and 74,060.91 is: 111,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,074.03 : 235,645.61 = 74,060.91 : x
  2. Step 2: Convert to fraction form
    157,074.03/235,645.61 = 74,060.91/x
  3. Step 3: Cross multiply
    157,074.03x = 235,645.61 × 74,060.91
  4. Step 4: Simplify right side
    157,074.03x = 17,452,127,943.80
  5. Step 5: Solve for x
    x = 17,452,127,943.80/157,074.03
  6. Step 6: Final answer
    x = 111,107.66

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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.