Home / 132,831.66-183,306.52-72,402.30

Finding the Fourth Proportional to 132,831.66, 183,306.52 and 72,402.30

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Solution

The fourth proportional to 132,831.66, 183,306.52 and 72,402.30 is: 99,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,831.66 : 183,306.52 = 72,402.30 : x
  2. Step 2: Convert to fraction form
    132,831.66/183,306.52 = 72,402.30/x
  3. Step 3: Cross multiply
    132,831.66x = 183,306.52 × 72,402.30
  4. Step 4: Simplify right side
    132,831.66x = 13,271,813,653.00
  5. Step 5: Solve for x
    x = 13,271,813,653.00/132,831.66
  6. Step 6: Final answer
    x = 99,914.54

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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.