Home / 157,763.16-217,589.76-101,179.80

Finding the Fourth Proportional to 157,763.16, 217,589.76 and 101,179.80

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Solution

The fourth proportional to 157,763.16, 217,589.76 and 101,179.80 is: 139,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,763.16 : 217,589.76 = 101,179.80 : x
  2. Step 2: Convert to fraction form
    157,763.16/217,589.76 = 101,179.80/x
  3. Step 3: Cross multiply
    157,763.16x = 217,589.76 × 101,179.80
  4. Step 4: Simplify right side
    157,763.16x = 22,015,688,398.85
  5. Step 5: Solve for x
    x = 22,015,688,398.85/157,763.16
  6. Step 6: Final answer
    x = 139,548.98

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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.