Home / 141,854.40-195,753.18-77,322.22

Finding the Fourth Proportional to 141,854.40, 195,753.18 and 77,322.22

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Solution

The fourth proportional to 141,854.40, 195,753.18 and 77,322.22 is: 106,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,854.40 : 195,753.18 = 77,322.22 : x
  2. Step 2: Convert to fraction form
    141,854.40/195,753.18 = 77,322.22/x
  3. Step 3: Cross multiply
    141,854.40x = 195,753.18 × 77,322.22
  4. Step 4: Simplify right side
    141,854.40x = 15,136,070,449.66
  5. Step 5: Solve for x
    x = 15,136,070,449.66/141,854.40
  6. Step 6: Final answer
    x = 106,701.45

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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.