Home / 132,881.59-183,373.24-72,453.40

Finding the Fourth Proportional to 132,881.59, 183,373.24 and 72,453.40

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Solution

The fourth proportional to 132,881.59, 183,373.24 and 72,453.40 is: 99,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,881.59 : 183,373.24 = 72,453.40 : x
  2. Step 2: Convert to fraction form
    132,881.59/183,373.24 = 72,453.40/x
  3. Step 3: Cross multiply
    132,881.59x = 183,373.24 × 72,453.40
  4. Step 4: Simplify right side
    132,881.59x = 13,286,014,707.02
  5. Step 5: Solve for x
    x = 13,286,014,707.02/132,881.59
  6. Step 6: Final answer
    x = 99,983.86

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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.