Home / 125,263.21-172,862.83-67,902.76

Finding the Fourth Proportional to 125,263.21, 172,862.83 and 67,902.76

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Solution

The fourth proportional to 125,263.21, 172,862.83 and 67,902.76 is: 93,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,263.21 : 172,862.83 = 67,902.76 : x
  2. Step 2: Convert to fraction form
    125,263.21/172,862.83 = 67,902.76/x
  3. Step 3: Cross multiply
    125,263.21x = 172,862.83 × 67,902.76
  4. Step 4: Simplify right side
    125,263.21x = 11,737,863,258.41
  5. Step 5: Solve for x
    x = 11,737,863,258.41/125,263.21
  6. Step 6: Final answer
    x = 93,705.59

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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.