Home / 110,853.10-166,279.65-75,423.70

Finding the Fourth Proportional to 110,853.10, 166,279.65 and 75,423.70

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Solution

The fourth proportional to 110,853.10, 166,279.65 and 75,423.70 is: 113,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,853.10 : 166,279.65 = 75,423.70 : x
  2. Step 2: Convert to fraction form
    110,853.10/166,279.65 = 75,423.70/x
  3. Step 3: Cross multiply
    110,853.10x = 166,279.65 × 75,423.70
  4. Step 4: Simplify right side
    110,853.10x = 12,541,426,437.71
  5. Step 5: Solve for x
    x = 12,541,426,437.71/110,853.10
  6. Step 6: Final answer
    x = 113,135.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.