Home / 127,330.60-191,199.90-101,252.20

Finding the Fourth Proportional to 127,330.60, 191,199.90 and 101,252.20

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Solution

The fourth proportional to 127,330.60, 191,199.90 and 101,252.20 is: 152,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,330.60 : 191,199.90 = 101,252.20 : x
  2. Step 2: Convert to fraction form
    127,330.60/191,199.90 = 101,252.20/x
  3. Step 3: Cross multiply
    127,330.60x = 191,199.90 × 101,252.20
  4. Step 4: Simplify right side
    127,330.60x = 19,359,410,514.78
  5. Step 5: Solve for x
    x = 19,359,410,514.78/127,330.60
  6. Step 6: Final answer
    x = 152,040.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.