Home / 141,310.32-195,008.19-77,652.22

Finding the Fourth Proportional to 141,310.32, 195,008.19 and 77,652.22

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Solution

The fourth proportional to 141,310.32, 195,008.19 and 77,652.22 is: 107,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,310.32 : 195,008.19 = 77,652.22 : x
  2. Step 2: Convert to fraction form
    141,310.32/195,008.19 = 77,652.22/x
  3. Step 3: Cross multiply
    141,310.32x = 195,008.19 × 77,652.22
  4. Step 4: Simplify right side
    141,310.32x = 15,142,818,384.16
  5. Step 5: Solve for x
    x = 15,142,818,384.16/141,310.32
  6. Step 6: Final answer
    x = 107,160.03

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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.