Home / 132,890.16-183,385.02-72,460.92

Finding the Fourth Proportional to 132,890.16, 183,385.02 and 72,460.92

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Solution

The fourth proportional to 132,890.16, 183,385.02 and 72,460.92 is: 99,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890.16 : 183,385.02 = 72,460.92 : x
  2. Step 2: Convert to fraction form
    132,890.16/183,385.02 = 72,460.92/x
  3. Step 3: Cross multiply
    132,890.16x = 183,385.02 × 72,460.92
  4. Step 4: Simplify right side
    132,890.16x = 13,288,247,263.42
  5. Step 5: Solve for x
    x = 13,288,247,263.42/132,890.16
  6. Step 6: Final answer
    x = 99,994.22

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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.