Home / 127,311.60-191,171.40-101,233.20

Finding the Fourth Proportional to 127,311.60, 191,171.40 and 101,233.20

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Solution

The fourth proportional to 127,311.60, 191,171.40 and 101,233.20 is: 152,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,311.60 : 191,171.40 = 101,233.20 : x
  2. Step 2: Convert to fraction form
    127,311.60/191,171.40 = 101,233.20/x
  3. Step 3: Cross multiply
    127,311.60x = 191,171.40 × 101,233.20
  4. Step 4: Simplify right side
    127,311.60x = 19,352,892,570.48
  5. Step 5: Solve for x
    x = 19,352,892,570.48/127,311.60
  6. Step 6: Final answer
    x = 152,012.01

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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.