Home / 177,784.92-266,677.64-72,603.88

Finding the Fourth Proportional to 177,784.92, 266,677.64 and 72,603.88

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Solution

The fourth proportional to 177,784.92, 266,677.64 and 72,603.88 is: 108,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.92 : 266,677.64 = 72,603.88 : x
  2. Step 2: Convert to fraction form
    177,784.92/266,677.64 = 72,603.88/x
  3. Step 3: Cross multiply
    177,784.92x = 266,677.64 × 72,603.88
  4. Step 4: Simplify right side
    177,784.92x = 19,361,831,373.24
  5. Step 5: Solve for x
    x = 19,361,831,373.24/177,784.92
  6. Step 6: Final answer
    x = 108,905.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.