Home / 132,812.24-183,275.46-72,381.58

Finding the Fourth Proportional to 132,812.24, 183,275.46 and 72,381.58

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Solution

The fourth proportional to 132,812.24, 183,275.46 and 72,381.58 is: 99,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,812.24 : 183,275.46 = 72,381.58 : x
  2. Step 2: Convert to fraction form
    132,812.24/183,275.46 = 72,381.58/x
  3. Step 3: Cross multiply
    132,812.24x = 183,275.46 × 72,381.58
  4. Step 4: Simplify right side
    132,812.24x = 13,265,766,911.84
  5. Step 5: Solve for x
    x = 13,265,766,911.84/132,812.24
  6. Step 6: Final answer
    x = 99,883.62

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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.