Home / 141,364.74-195,081.11-77,701.17

Finding the Fourth Proportional to 141,364.74, 195,081.11 and 77,701.17

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Solution

The fourth proportional to 141,364.74, 195,081.11 and 77,701.17 is: 107,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,364.74 : 195,081.11 = 77,701.17 : x
  2. Step 2: Convert to fraction form
    141,364.74/195,081.11 = 77,701.17/x
  3. Step 3: Cross multiply
    141,364.74x = 195,081.11 × 77,701.17
  4. Step 4: Simplify right side
    141,364.74x = 15,158,031,126.33
  5. Step 5: Solve for x
    x = 15,158,031,126.33/141,364.74
  6. Step 6: Final answer
    x = 107,226.39

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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.