Home / 176,613.33-243,654.44-100,116.21

Finding the Fourth Proportional to 176,613.33, 243,654.44 and 100,116.21

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Solution

The fourth proportional to 176,613.33, 243,654.44 and 100,116.21 is: 138,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,613.33 : 243,654.44 = 100,116.21 : x
  2. Step 2: Convert to fraction form
    176,613.33/243,654.44 = 100,116.21/x
  3. Step 3: Cross multiply
    176,613.33x = 243,654.44 × 100,116.21
  4. Step 4: Simplify right side
    176,613.33x = 24,393,759,082.47
  5. Step 5: Solve for x
    x = 24,393,759,082.47/176,613.33
  6. Step 6: Final answer
    x = 138,119.58

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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.