Home / 148,146.71-204,440.90-80,162.19

Finding the Fourth Proportional to 148,146.71, 204,440.90 and 80,162.19

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Solution

The fourth proportional to 148,146.71, 204,440.90 and 80,162.19 is: 110,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,146.71 : 204,440.90 = 80,162.19 : x
  2. Step 2: Convert to fraction form
    148,146.71/204,440.90 = 80,162.19/x
  3. Step 3: Cross multiply
    148,146.71x = 204,440.90 × 80,162.19
  4. Step 4: Simplify right side
    148,146.71x = 16,388,429,868.76
  5. Step 5: Solve for x
    x = 16,388,429,868.76/148,146.71
  6. Step 6: Final answer
    x = 110,622.98

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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.