Home / 141,590.28-195,395.92-77,929.54

Finding the Fourth Proportional to 141,590.28, 195,395.92 and 77,929.54

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Solution

The fourth proportional to 141,590.28, 195,395.92 and 77,929.54 is: 107,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,590.28 : 195,395.92 = 77,929.54 : x
  2. Step 2: Convert to fraction form
    141,590.28/195,395.92 = 77,929.54/x
  3. Step 3: Cross multiply
    141,590.28x = 195,395.92 × 77,929.54
  4. Step 4: Simplify right side
    141,590.28x = 15,227,114,163.48
  5. Step 5: Solve for x
    x = 15,227,114,163.48/141,590.28
  6. Step 6: Final answer
    x = 107,543.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.