Home / 198,340.65-273,641.69-126,762.57

Finding the Fourth Proportional to 198,340.65, 273,641.69 and 126,762.57

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Solution

The fourth proportional to 198,340.65, 273,641.69 and 126,762.57 is: 174,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,340.65 : 273,641.69 = 126,762.57 : x
  2. Step 2: Convert to fraction form
    198,340.65/273,641.69 = 126,762.57/x
  3. Step 3: Cross multiply
    198,340.65x = 273,641.69 × 126,762.57
  4. Step 4: Simplify right side
    198,340.65x = 34,687,523,883.54
  5. Step 5: Solve for x
    x = 34,687,523,883.54/198,340.65
  6. Step 6: Final answer
    x = 174,888.63

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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.