Home / 109,671.04-151,348.80-67,252.96

Finding the Fourth Proportional to 109,671.04, 151,348.80 and 67,252.96

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Solution

The fourth proportional to 109,671.04, 151,348.80 and 67,252.96 is: 92,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,671.04 : 151,348.80 = 67,252.96 : x
  2. Step 2: Convert to fraction form
    109,671.04/151,348.80 = 67,252.96/x
  3. Step 3: Cross multiply
    109,671.04x = 151,348.80 × 67,252.96
  4. Step 4: Simplify right side
    109,671.04x = 10,178,654,792.45
  5. Step 5: Solve for x
    x = 10,178,654,792.45/109,671.04
  6. Step 6: Final answer
    x = 92,810.78

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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.