Home / 132,713.18-183,143.24-72,283.64

Finding the Fourth Proportional to 132,713.18, 183,143.24 and 72,283.64

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Solution

The fourth proportional to 132,713.18, 183,143.24 and 72,283.64 is: 99,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,713.18 : 183,143.24 = 72,283.64 : x
  2. Step 2: Convert to fraction form
    132,713.18/183,143.24 = 72,283.64/x
  3. Step 3: Cross multiply
    132,713.18x = 183,143.24 × 72,283.64
  4. Step 4: Simplify right side
    132,713.18x = 13,238,260,028.59
  5. Step 5: Solve for x
    x = 13,238,260,028.59/132,713.18
  6. Step 6: Final answer
    x = 99,750.91

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1.5x scale

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.