Home / 127,752.47-176,259.37-74,027.10

Finding the Fourth Proportional to 127,752.47, 176,259.37 and 74,027.10

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Solution

The fourth proportional to 127,752.47, 176,259.37 and 74,027.10 is: 102,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,752.47 : 176,259.37 = 74,027.10 : x
  2. Step 2: Convert to fraction form
    127,752.47/176,259.37 = 74,027.10/x
  3. Step 3: Cross multiply
    127,752.47x = 176,259.37 × 74,027.10
  4. Step 4: Simplify right side
    127,752.47x = 13,047,969,638.79
  5. Step 5: Solve for x
    x = 13,047,969,638.79/127,752.47
  6. Step 6: Final answer
    x = 102,134.78

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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.