Home / 141,711.08-195,552.45-78,048.90

Finding the Fourth Proportional to 141,711.08, 195,552.45 and 78,048.90

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Solution

The fourth proportional to 141,711.08, 195,552.45 and 78,048.90 is: 107,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,711.08 : 195,552.45 = 78,048.90 : x
  2. Step 2: Convert to fraction form
    141,711.08/195,552.45 = 78,048.90/x
  3. Step 3: Cross multiply
    141,711.08x = 195,552.45 × 78,048.90
  4. Step 4: Simplify right side
    141,711.08x = 15,262,653,614.81
  5. Step 5: Solve for x
    x = 15,262,653,614.81/141,711.08
  6. Step 6: Final answer
    x = 107,702.62

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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.