Home / 125,707.15-173,478.81-68,349.73

Finding the Fourth Proportional to 125,707.15, 173,478.81 and 68,349.73

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Solution

The fourth proportional to 125,707.15, 173,478.81 and 68,349.73 is: 94,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,707.15 : 173,478.81 = 68,349.73 : x
  2. Step 2: Convert to fraction form
    125,707.15/173,478.81 = 68,349.73/x
  3. Step 3: Cross multiply
    125,707.15x = 173,478.81 × 68,349.73
  4. Step 4: Simplify right side
    125,707.15x = 11,857,229,824.22
  5. Step 5: Solve for x
    x = 11,857,229,824.22/125,707.15
  6. Step 6: Final answer
    x = 94,324.23

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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.