Home / 148,853.30-205,426.73-85,189.73

Finding the Fourth Proportional to 148,853.30, 205,426.73 and 85,189.73

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Solution

The fourth proportional to 148,853.30, 205,426.73 and 85,189.73 is: 117,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,853.30 : 205,426.73 = 85,189.73 : x
  2. Step 2: Convert to fraction form
    148,853.30/205,426.73 = 85,189.73/x
  3. Step 3: Cross multiply
    148,853.30x = 205,426.73 × 85,189.73
  4. Step 4: Simplify right side
    148,853.30x = 17,500,246,849.32
  5. Step 5: Solve for x
    x = 17,500,246,849.32/148,853.30
  6. Step 6: Final answer
    x = 117,567.08

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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.