Home / 176,618.21-243,753.68-99,115.22

Finding the Fourth Proportional to 176,618.21, 243,753.68 and 99,115.22

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Solution

The fourth proportional to 176,618.21, 243,753.68 and 99,115.22 is: 136,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,618.21 : 243,753.68 = 99,115.22 : x
  2. Step 2: Convert to fraction form
    176,618.21/243,753.68 = 99,115.22/x
  3. Step 3: Cross multiply
    176,618.21x = 243,753.68 × 99,115.22
  4. Step 4: Simplify right side
    176,618.21x = 24,159,699,511.86
  5. Step 5: Solve for x
    x = 24,159,699,511.86/176,618.21
  6. Step 6: Final answer
    x = 136,790.54

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1.5x scale

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.