Home / 199,398.41-275,196.25-126,808.15

Finding the Fourth Proportional to 199,398.41, 275,196.25 and 126,808.15

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Solution

The fourth proportional to 199,398.41, 275,196.25 and 126,808.15 is: 175,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,398.41 : 275,196.25 = 126,808.15 : x
  2. Step 2: Convert to fraction form
    199,398.41/275,196.25 = 126,808.15/x
  3. Step 3: Cross multiply
    199,398.41x = 275,196.25 × 126,808.15
  4. Step 4: Simplify right side
    199,398.41x = 34,897,127,349.44
  5. Step 5: Solve for x
    x = 34,897,127,349.44/199,398.41
  6. Step 6: Final answer
    x = 175,012.06

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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.