Home / 148,106.60-204,257.92-105,000.92

Finding the Fourth Proportional to 148,106.60, 204,257.92 and 105,000.92

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Solution

The fourth proportional to 148,106.60, 204,257.92 and 105,000.92 is: 144,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,106.60 : 204,257.92 = 105,000.92 : x
  2. Step 2: Convert to fraction form
    148,106.60/204,257.92 = 105,000.92/x
  3. Step 3: Cross multiply
    148,106.60x = 204,257.92 × 105,000.92
  4. Step 4: Simplify right side
    148,106.60x = 21,447,269,517.29
  5. Step 5: Solve for x
    x = 21,447,269,517.29/148,106.60
  6. Step 6: Final answer
    x = 144,809.68

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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.