Home / 132,913.85-183,424.57-72,487.04

Finding the Fourth Proportional to 132,913.85, 183,424.57 and 72,487.04

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Solution

The fourth proportional to 132,913.85, 183,424.57 and 72,487.04 is: 100,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,913.85 : 183,424.57 = 72,487.04 : x
  2. Step 2: Convert to fraction form
    132,913.85/183,424.57 = 72,487.04/x
  3. Step 3: Cross multiply
    132,913.85x = 183,424.57 × 72,487.04
  4. Step 4: Simplify right side
    132,913.85x = 13,295,903,044.23
  5. Step 5: Solve for x
    x = 13,295,903,044.23/132,913.85
  6. Step 6: Final answer
    x = 100,034.00

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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.