Home / 141,357.32-195,070.60-77,695.10

Finding the Fourth Proportional to 141,357.32, 195,070.60 and 77,695.10

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Solution

The fourth proportional to 141,357.32, 195,070.60 and 77,695.10 is: 107,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,357.32 : 195,070.60 = 77,695.10 : x
  2. Step 2: Convert to fraction form
    141,357.32/195,070.60 = 77,695.10/x
  3. Step 3: Cross multiply
    141,357.32x = 195,070.60 × 77,695.10
  4. Step 4: Simplify right side
    141,357.32x = 15,156,029,774.06
  5. Step 5: Solve for x
    x = 15,156,029,774.06/141,357.32
  6. Step 6: Final answer
    x = 107,217.86

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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.