Home / 180,627.06-249,186.78-126,947.15

Finding the Fourth Proportional to 180,627.06, 249,186.78 and 126,947.15

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Solution

The fourth proportional to 180,627.06, 249,186.78 and 126,947.15 is: 175,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,627.06 : 249,186.78 = 126,947.15 : x
  2. Step 2: Convert to fraction form
    180,627.06/249,186.78 = 126,947.15/x
  3. Step 3: Cross multiply
    180,627.06x = 249,186.78 × 126,947.15
  4. Step 4: Simplify right side
    180,627.06x = 31,633,551,227.19
  5. Step 5: Solve for x
    x = 31,633,551,227.19/180,627.06
  6. Step 6: Final answer
    x = 175,131.85

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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.