Home / 127,396.92-175,779.18-77,094.84

Finding the Fourth Proportional to 127,396.92, 175,779.18 and 77,094.84

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Solution

The fourth proportional to 127,396.92, 175,779.18 and 77,094.84 is: 106,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.92 : 175,779.18 = 77,094.84 : x
  2. Step 2: Convert to fraction form
    127,396.92/175,779.18 = 77,094.84/x
  3. Step 3: Cross multiply
    127,396.92x = 175,779.18 × 77,094.84
  4. Step 4: Simplify right side
    127,396.92x = 13,551,667,757.43
  5. Step 5: Solve for x
    x = 13,551,667,757.43/127,396.92
  6. Step 6: Final answer
    x = 106,373.59

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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.