Home / 107,420.04-148,279.59-92,251.80

Finding the Fourth Proportional to 107,420.04, 148,279.59 and 92,251.80

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Solution

The fourth proportional to 107,420.04, 148,279.59 and 92,251.80 is: 127,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420.04 : 148,279.59 = 92,251.80 : x
  2. Step 2: Convert to fraction form
    107,420.04/148,279.59 = 92,251.80/x
  3. Step 3: Cross multiply
    107,420.04x = 148,279.59 × 92,251.80
  4. Step 4: Simplify right side
    107,420.04x = 13,679,059,080.76
  5. Step 5: Solve for x
    x = 13,679,059,080.76/107,420.04
  6. Step 6: Final answer
    x = 127,341.78

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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.