Home / 125,202.23-172,783.50-68,613.61

Finding the Fourth Proportional to 125,202.23, 172,783.50 and 68,613.61

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Solution

The fourth proportional to 125,202.23, 172,783.50 and 68,613.61 is: 94,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,202.23 : 172,783.50 = 68,613.61 : x
  2. Step 2: Convert to fraction form
    125,202.23/172,783.50 = 68,613.61/x
  3. Step 3: Cross multiply
    125,202.23x = 172,783.50 × 68,613.61
  4. Step 4: Simplify right side
    125,202.23x = 11,855,299,683.44
  5. Step 5: Solve for x
    x = 11,855,299,683.44/125,202.23
  6. Step 6: Final answer
    x = 94,689.21

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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.