Home / 206,534.08-285,000.40-115,877.60

Finding the Fourth Proportional to 206,534.08, 285,000.40 and 115,877.60

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Solution

The fourth proportional to 206,534.08, 285,000.40 and 115,877.60 is: 159,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,534.08 : 285,000.40 = 115,877.60 : x
  2. Step 2: Convert to fraction form
    206,534.08/285,000.40 = 115,877.60/x
  3. Step 3: Cross multiply
    206,534.08x = 285,000.40 × 115,877.60
  4. Step 4: Simplify right side
    206,534.08x = 33,025,162,351.04
  5. Step 5: Solve for x
    x = 33,025,162,351.04/206,534.08
  6. Step 6: Final answer
    x = 159,901.76

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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.