Home / 141,630.31-195,451.14-77,969.17

Finding the Fourth Proportional to 141,630.31, 195,451.14 and 77,969.17

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Solution

The fourth proportional to 141,630.31, 195,451.14 and 77,969.17 is: 107,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,630.31 : 195,451.14 = 77,969.17 : x
  2. Step 2: Convert to fraction form
    141,630.31/195,451.14 = 77,969.17/x
  3. Step 3: Cross multiply
    141,630.31x = 195,451.14 × 77,969.17
  4. Step 4: Simplify right side
    141,630.31x = 15,239,163,161.35
  5. Step 5: Solve for x
    x = 15,239,163,161.35/141,630.31
  6. Step 6: Final answer
    x = 107,598.18

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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.