Home / 206,030.45-284,289.55-120,003.59

Finding the Fourth Proportional to 206,030.45, 284,289.55 and 120,003.59

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Solution

The fourth proportional to 206,030.45, 284,289.55 and 120,003.59 is: 165,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,030.45 : 284,289.55 = 120,003.59 : x
  2. Step 2: Convert to fraction form
    206,030.45/284,289.55 = 120,003.59/x
  3. Step 3: Cross multiply
    206,030.45x = 284,289.55 × 120,003.59
  4. Step 4: Simplify right side
    206,030.45x = 34,115,767,010.20
  5. Step 5: Solve for x
    x = 34,115,767,010.20/206,030.45
  6. Step 6: Final answer
    x = 165,586.04

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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.