Home / 130,599.65-195,973.29-55,712.72

Finding the Fourth Proportional to 130,599.65, 195,973.29 and 55,712.72

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Solution

The fourth proportional to 130,599.65, 195,973.29 and 55,712.72 is: 83,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599.65 : 195,973.29 = 55,712.72 : x
  2. Step 2: Convert to fraction form
    130,599.65/195,973.29 = 55,712.72/x
  3. Step 3: Cross multiply
    130,599.65x = 195,973.29 × 55,712.72
  4. Step 4: Simplify right side
    130,599.65x = 10,918,204,053.38
  5. Step 5: Solve for x
    x = 10,918,204,053.38/130,599.65
  6. Step 6: Final answer
    x = 83,600.56

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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.