Home / 125,521.92-173,222.33-68,161.36

Finding the Fourth Proportional to 125,521.92, 173,222.33 and 68,161.36

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Solution

The fourth proportional to 125,521.92, 173,222.33 and 68,161.36 is: 94,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.92 : 173,222.33 = 68,161.36 : x
  2. Step 2: Convert to fraction form
    125,521.92/173,222.33 = 68,161.36/x
  3. Step 3: Cross multiply
    125,521.92x = 173,222.33 × 68,161.36
  4. Step 4: Simplify right side
    125,521.92x = 11,807,069,595.17
  5. Step 5: Solve for x
    x = 11,807,069,595.17/125,521.92
  6. Step 6: Final answer
    x = 94,063.81

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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.