Home / 125,291.22-172,910.61-68,706.24

Finding the Fourth Proportional to 125,291.22, 172,910.61 and 68,706.24

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Solution

The fourth proportional to 125,291.22, 172,910.61 and 68,706.24 is: 94,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,291.22 : 172,910.61 = 68,706.24 : x
  2. Step 2: Convert to fraction form
    125,291.22/172,910.61 = 68,706.24/x
  3. Step 3: Cross multiply
    125,291.22x = 172,910.61 × 68,706.24
  4. Step 4: Simplify right side
    125,291.22x = 11,880,037,869.21
  5. Step 5: Solve for x
    x = 11,880,037,869.21/125,291.22
  6. Step 6: Final answer
    x = 94,819.40

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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.