Home / 176,174.04-243,120.34-100,724.12

Finding the Fourth Proportional to 176,174.04, 243,120.34 and 100,724.12

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Solution

The fourth proportional to 176,174.04, 243,120.34 and 100,724.12 is: 138,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,174.04 : 243,120.34 = 100,724.12 : x
  2. Step 2: Convert to fraction form
    176,174.04/243,120.34 = 100,724.12/x
  3. Step 3: Cross multiply
    176,174.04x = 243,120.34 × 100,724.12
  4. Step 4: Simplify right side
    176,174.04x = 24,488,082,300.60
  5. Step 5: Solve for x
    x = 24,488,082,300.60/176,174.04
  6. Step 6: Final answer
    x = 138,999.38

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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.