Home / 141,773.15-195,650.46-87,304.70

Finding the Fourth Proportional to 141,773.15, 195,650.46 and 87,304.70

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Solution

The fourth proportional to 141,773.15, 195,650.46 and 87,304.70 is: 120,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,773.15 : 195,650.46 = 87,304.70 : x
  2. Step 2: Convert to fraction form
    141,773.15/195,650.46 = 87,304.70/x
  3. Step 3: Cross multiply
    141,773.15x = 195,650.46 × 87,304.70
  4. Step 4: Simplify right side
    141,773.15x = 17,081,203,955.17
  5. Step 5: Solve for x
    x = 17,081,203,955.17/141,773.15
  6. Step 6: Final answer
    x = 120,482.65

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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.