Home / 141,278.25-194,966.11-76,748.76

Finding the Fourth Proportional to 141,278.25, 194,966.11 and 76,748.76

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Solution

The fourth proportional to 141,278.25, 194,966.11 and 76,748.76 is: 105,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,278.25 : 194,966.11 = 76,748.76 : x
  2. Step 2: Convert to fraction form
    141,278.25/194,966.11 = 76,748.76/x
  3. Step 3: Cross multiply
    141,278.25x = 194,966.11 × 76,748.76
  4. Step 4: Simplify right side
    141,278.25x = 14,963,407,280.46
  5. Step 5: Solve for x
    x = 14,963,407,280.46/141,278.25
  6. Step 6: Final answer
    x = 105,914.44

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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.