Home / 132,488.34-182,831.22-72,057.75

Finding the Fourth Proportional to 132,488.34, 182,831.22 and 72,057.75

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Solution

The fourth proportional to 132,488.34, 182,831.22 and 72,057.75 is: 99,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,488.34 : 182,831.22 = 72,057.75 : x
  2. Step 2: Convert to fraction form
    132,488.34/182,831.22 = 72,057.75/x
  3. Step 3: Cross multiply
    132,488.34x = 182,831.22 × 72,057.75
  4. Step 4: Simplify right side
    132,488.34x = 13,174,406,342.96
  5. Step 5: Solve for x
    x = 13,174,406,342.96/132,488.34
  6. Step 6: Final answer
    x = 99,438.23

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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.