Home / 130,923.95-196,472.03-71,801.13

Finding the Fourth Proportional to 130,923.95, 196,472.03 and 71,801.13

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Solution

The fourth proportional to 130,923.95, 196,472.03 and 71,801.13 is: 107,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,923.95 : 196,472.03 = 71,801.13 : x
  2. Step 2: Convert to fraction form
    130,923.95/196,472.03 = 71,801.13/x
  3. Step 3: Cross multiply
    130,923.95x = 196,472.03 × 71,801.13
  4. Step 4: Simplify right side
    130,923.95x = 14,106,914,549.04
  5. Step 5: Solve for x
    x = 14,106,914,549.04/130,923.95
  6. Step 6: Final answer
    x = 107,748.93

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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.