Home / 148,744.12-205,126.20-97,666.75

Finding the Fourth Proportional to 148,744.12, 205,126.20 and 97,666.75

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Solution

The fourth proportional to 148,744.12, 205,126.20 and 97,666.75 is: 134,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,744.12 : 205,126.20 = 97,666.75 : x
  2. Step 2: Convert to fraction form
    148,744.12/205,126.20 = 97,666.75/x
  3. Step 3: Cross multiply
    148,744.12x = 205,126.20 × 97,666.75
  4. Step 4: Simplify right side
    148,744.12x = 20,034,009,293.85
  5. Step 5: Solve for x
    x = 20,034,009,293.85/148,744.12
  6. Step 6: Final answer
    x = 134,687.74

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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.