Home / 125,938.80-173,782.33-71,473.63

Finding the Fourth Proportional to 125,938.80, 173,782.33 and 71,473.63

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Solution

The fourth proportional to 125,938.80, 173,782.33 and 71,473.63 is: 98,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,938.80 : 173,782.33 = 71,473.63 : x
  2. Step 2: Convert to fraction form
    125,938.80/173,782.33 = 71,473.63/x
  3. Step 3: Cross multiply
    125,938.80x = 173,782.33 × 71,473.63
  4. Step 4: Simplify right side
    125,938.80x = 12,420,853,954.96
  5. Step 5: Solve for x
    x = 12,420,853,954.96/125,938.80
  6. Step 6: Final answer
    x = 98,626.11

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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.