Home / 172,000.10-257,611.35-102,016.10

Finding the Fourth Proportional to 172,000.10, 257,611.35 and 102,016.10

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Solution

The fourth proportional to 172,000.10, 257,611.35 and 102,016.10 is: 152,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,000.10 : 257,611.35 = 102,016.10 : x
  2. Step 2: Convert to fraction form
    172,000.10/257,611.35 = 102,016.10/x
  3. Step 3: Cross multiply
    172,000.10x = 257,611.35 × 102,016.10
  4. Step 4: Simplify right side
    172,000.10x = 26,280,505,242.74
  5. Step 5: Solve for x
    x = 26,280,505,242.74/172,000.10
  6. Step 6: Final answer
    x = 152,793.55

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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.