Home / 176,538.77-243,564.21-100,051.87

Finding the Fourth Proportional to 176,538.77, 243,564.21 and 100,051.87

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Solution

The fourth proportional to 176,538.77, 243,564.21 and 100,051.87 is: 138,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,538.77 : 243,564.21 = 100,051.87 : x
  2. Step 2: Convert to fraction form
    176,538.77/243,564.21 = 100,051.87/x
  3. Step 3: Cross multiply
    176,538.77x = 243,564.21 × 100,051.87
  4. Step 4: Simplify right side
    176,538.77x = 24,369,052,957.49
  5. Step 5: Solve for x
    x = 24,369,052,957.49/176,538.77
  6. Step 6: Final answer
    x = 138,037.97

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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.