Home / 526,834.13-790,223.34-147,781.16

Finding the Fourth Proportional to 526,834.13, 790,223.34 and 147,781.16

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Solution

The fourth proportional to 526,834.13, 790,223.34 and 147,781.16 is: 221,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,834.13 : 790,223.34 = 147,781.16 : x
  2. Step 2: Convert to fraction form
    526,834.13/790,223.34 = 147,781.16/x
  3. Step 3: Cross multiply
    526,834.13x = 790,223.34 × 147,781.16
  4. Step 4: Simplify right side
    526,834.13x = 116,780,121,410.68
  5. Step 5: Solve for x
    x = 116,780,121,410.68/526,834.13
  6. Step 6: Final answer
    x = 221,663.93

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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.