Home / 180,540.25-249,125.42-99,947.59

Finding the Fourth Proportional to 180,540.25, 249,125.42 and 99,947.59

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Solution

The fourth proportional to 180,540.25, 249,125.42 and 99,947.59 is: 137,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,540.25 : 249,125.42 = 99,947.59 : x
  2. Step 2: Convert to fraction form
    180,540.25/249,125.42 = 99,947.59/x
  3. Step 3: Cross multiply
    180,540.25x = 249,125.42 × 99,947.59
  4. Step 4: Simplify right side
    180,540.25x = 24,899,484,963.79
  5. Step 5: Solve for x
    x = 24,899,484,963.79/180,540.25
  6. Step 6: Final answer
    x = 137,916.53

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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.