Home / 132,800.18-183,261.78-72,371.24

Finding the Fourth Proportional to 132,800.18, 183,261.78 and 72,371.24

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Solution

The fourth proportional to 132,800.18, 183,261.78 and 72,371.24 is: 99,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.18 : 183,261.78 = 72,371.24 : x
  2. Step 2: Convert to fraction form
    132,800.18/183,261.78 = 72,371.24/x
  3. Step 3: Cross multiply
    132,800.18x = 183,261.78 × 72,371.24
  4. Step 4: Simplify right side
    132,800.18x = 13,262,881,346.90
  5. Step 5: Solve for x
    x = 13,262,881,346.90/132,800.18
  6. Step 6: Final answer
    x = 99,870.96

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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.