Home / 172,170.45-237,527.19-99,559.98

Finding the Fourth Proportional to 172,170.45, 237,527.19 and 99,559.98

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Solution

The fourth proportional to 172,170.45, 237,527.19 and 99,559.98 is: 137,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,170.45 : 237,527.19 = 99,559.98 : x
  2. Step 2: Convert to fraction form
    172,170.45/237,527.19 = 99,559.98/x
  3. Step 3: Cross multiply
    172,170.45x = 237,527.19 × 99,559.98
  4. Step 4: Simplify right side
    172,170.45x = 23,648,202,285.86
  5. Step 5: Solve for x
    x = 23,648,202,285.86/172,170.45
  6. Step 6: Final answer
    x = 137,353.43

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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.