Home / 132,402.16-182,718.48-75,831.76

Finding the Fourth Proportional to 132,402.16, 182,718.48 and 75,831.76

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Solution

The fourth proportional to 132,402.16, 182,718.48 and 75,831.76 is: 104,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,402.16 : 182,718.48 = 75,831.76 : x
  2. Step 2: Convert to fraction form
    132,402.16/182,718.48 = 75,831.76/x
  3. Step 3: Cross multiply
    132,402.16x = 182,718.48 × 75,831.76
  4. Step 4: Simplify right side
    132,402.16x = 13,855,863,922.92
  5. Step 5: Solve for x
    x = 13,855,863,922.92/132,402.16
  6. Step 6: Final answer
    x = 104,649.83

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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.