Home / 127,476.16-175,884.96-77,165.44

Finding the Fourth Proportional to 127,476.16, 175,884.96 and 77,165.44

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Solution

The fourth proportional to 127,476.16, 175,884.96 and 77,165.44 is: 106,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,476.16 : 175,884.96 = 77,165.44 : x
  2. Step 2: Convert to fraction form
    127,476.16/175,884.96 = 77,165.44/x
  3. Step 3: Cross multiply
    127,476.16x = 175,884.96 × 77,165.44
  4. Step 4: Simplify right side
    127,476.16x = 13,572,240,327.78
  5. Step 5: Solve for x
    x = 13,572,240,327.78/127,476.16
  6. Step 6: Final answer
    x = 106,468.85

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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.