Home / 176,628.13-243,753.24-101,191.21

Finding the Fourth Proportional to 176,628.13, 243,753.24 and 101,191.21

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Solution

The fourth proportional to 176,628.13, 243,753.24 and 101,191.21 is: 139,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,628.13 : 243,753.24 = 101,191.21 : x
  2. Step 2: Convert to fraction form
    176,628.13/243,753.24 = 101,191.21/x
  3. Step 3: Cross multiply
    176,628.13x = 243,753.24 × 101,191.21
  4. Step 4: Simplify right side
    176,628.13x = 24,665,685,297.02
  5. Step 5: Solve for x
    x = 24,665,685,297.02/176,628.13
  6. Step 6: Final answer
    x = 139,647.55

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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.