Home / 127,564.40-191,242.92-44,516.72

Finding the Fourth Proportional to 127,564.40, 191,242.92 and 44,516.72

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Solution

The fourth proportional to 127,564.40, 191,242.92 and 44,516.72 is: 66,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564.40 : 191,242.92 = 44,516.72 : x
  2. Step 2: Convert to fraction form
    127,564.40/191,242.92 = 44,516.72/x
  3. Step 3: Cross multiply
    127,564.40x = 191,242.92 × 44,516.72
  4. Step 4: Simplify right side
    127,564.40x = 8,513,507,521.62
  5. Step 5: Solve for x
    x = 8,513,507,521.62/127,564.40
  6. Step 6: Final answer
    x = 66,738.90

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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.