Home / 148,609.40-205,080.96-84,948.56

Finding the Fourth Proportional to 148,609.40, 205,080.96 and 84,948.56

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Solution

The fourth proportional to 148,609.40, 205,080.96 and 84,948.56 is: 117,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,609.40 : 205,080.96 = 84,948.56 : x
  2. Step 2: Convert to fraction form
    148,609.40/205,080.96 = 84,948.56/x
  3. Step 3: Cross multiply
    148,609.40x = 205,080.96 × 84,948.56
  4. Step 4: Simplify right side
    148,609.40x = 17,421,332,235.42
  5. Step 5: Solve for x
    x = 17,421,332,235.42/148,609.40
  6. Step 6: Final answer
    x = 117,229.01

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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.