Home / 216,725.06-299,140.70-126,098.54

Finding the Fourth Proportional to 216,725.06, 299,140.70 and 126,098.54

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Solution

The fourth proportional to 216,725.06, 299,140.70 and 126,098.54 is: 174,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,725.06 : 299,140.70 = 126,098.54 : x
  2. Step 2: Convert to fraction form
    216,725.06/299,140.70 = 126,098.54/x
  3. Step 3: Cross multiply
    216,725.06x = 299,140.70 × 126,098.54
  4. Step 4: Simplify right side
    216,725.06x = 37,721,203,398.38
  5. Step 5: Solve for x
    x = 37,721,203,398.38/216,725.06
  6. Step 6: Final answer
    x = 174,050.95

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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.