Home / 126,502.20-174,570.54-69,915.96

Finding the Fourth Proportional to 126,502.20, 174,570.54 and 69,915.96

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Solution

The fourth proportional to 126,502.20, 174,570.54 and 69,915.96 is: 96,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,502.20 : 174,570.54 = 69,915.96 : x
  2. Step 2: Convert to fraction form
    126,502.20/174,570.54 = 69,915.96/x
  3. Step 3: Cross multiply
    126,502.20x = 174,570.54 × 69,915.96
  4. Step 4: Simplify right side
    126,502.20x = 12,205,266,891.82
  5. Step 5: Solve for x
    x = 12,205,266,891.82/126,502.20
  6. Step 6: Final answer
    x = 96,482.65

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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.