Home / 172,200.23-258,300.85-52,258.16

Finding the Fourth Proportional to 172,200.23, 258,300.85 and 52,258.16

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Solution

The fourth proportional to 172,200.23, 258,300.85 and 52,258.16 is: 78,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,200.23 : 258,300.85 = 52,258.16 : x
  2. Step 2: Convert to fraction form
    172,200.23/258,300.85 = 52,258.16/x
  3. Step 3: Cross multiply
    172,200.23x = 258,300.85 × 52,258.16
  4. Step 4: Simplify right side
    172,200.23x = 13,498,327,760.53
  5. Step 5: Solve for x
    x = 13,498,327,760.53/172,200.23
  6. Step 6: Final answer
    x = 78,387.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.