Home / 140,001.84-209,110.34-126,654.32

Finding the Fourth Proportional to 140,001.84, 209,110.34 and 126,654.32

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Solution

The fourth proportional to 140,001.84, 209,110.34 and 126,654.32 is: 189,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,001.84 : 209,110.34 = 126,654.32 : x
  2. Step 2: Convert to fraction form
    140,001.84/209,110.34 = 126,654.32/x
  3. Step 3: Cross multiply
    140,001.84x = 209,110.34 × 126,654.32
  4. Step 4: Simplify right side
    140,001.84x = 26,484,727,917.67
  5. Step 5: Solve for x
    x = 26,484,727,917.67/140,001.84
  6. Step 6: Final answer
    x = 189,174.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.