Home / 125,475.41-173,153.16-71,757.23

Finding the Fourth Proportional to 125,475.41, 173,153.16 and 71,757.23

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Solution

The fourth proportional to 125,475.41, 173,153.16 and 71,757.23 is: 99,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,475.41 : 173,153.16 = 71,757.23 : x
  2. Step 2: Convert to fraction form
    125,475.41/173,153.16 = 71,757.23/x
  3. Step 3: Cross multiply
    125,475.41x = 173,153.16 × 71,757.23
  4. Step 4: Simplify right side
    125,475.41x = 12,424,990,261.58
  5. Step 5: Solve for x
    x = 12,424,990,261.58/125,475.41
  6. Step 6: Final answer
    x = 99,023.31

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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.