Home / 141,191.08-194,842.58-77,528.72

Finding the Fourth Proportional to 141,191.08, 194,842.58 and 77,528.72

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Solution

The fourth proportional to 141,191.08, 194,842.58 and 77,528.72 is: 106,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,191.08 : 194,842.58 = 77,528.72 : x
  2. Step 2: Convert to fraction form
    141,191.08/194,842.58 = 77,528.72/x
  3. Step 3: Cross multiply
    141,191.08x = 194,842.58 × 77,528.72
  4. Step 4: Simplify right side
    141,191.08x = 15,105,895,828.90
  5. Step 5: Solve for x
    x = 15,105,895,828.90/141,191.08
  6. Step 6: Final answer
    x = 106,989.02

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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.