Home / 132,300.18-182,571.18-71,869.47

Finding the Fourth Proportional to 132,300.18, 182,571.18 and 71,869.47

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Solution

The fourth proportional to 132,300.18, 182,571.18 and 71,869.47 is: 99,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,300.18 : 182,571.18 = 71,869.47 : x
  2. Step 2: Convert to fraction form
    132,300.18/182,571.18 = 71,869.47/x
  3. Step 3: Cross multiply
    132,300.18x = 182,571.18 × 71,869.47
  4. Step 4: Simplify right side
    132,300.18x = 13,121,293,943.87
  5. Step 5: Solve for x
    x = 13,121,293,943.87/132,300.18
  6. Step 6: Final answer
    x = 99,178.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.