Home / 140,006.53-209,117.38-126,659.08

Finding the Fourth Proportional to 140,006.53, 209,117.38 and 126,659.08

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Solution

The fourth proportional to 140,006.53, 209,117.38 and 126,659.08 is: 189,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006.53 : 209,117.38 = 126,659.08 : x
  2. Step 2: Convert to fraction form
    140,006.53/209,117.38 = 126,659.08/x
  3. Step 3: Cross multiply
    140,006.53x = 209,117.38 × 126,659.08
  4. Step 4: Simplify right side
    140,006.53x = 26,486,614,962.81
  5. Step 5: Solve for x
    x = 26,486,614,962.81/140,006.53
  6. Step 6: Final answer
    x = 189,181.28

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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.