Home / 191,988.60-264,944.38-107,105.66

Finding the Fourth Proportional to 191,988.60, 264,944.38 and 107,105.66

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Solution

The fourth proportional to 191,988.60, 264,944.38 and 107,105.66 is: 147,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,988.60 : 264,944.38 = 107,105.66 : x
  2. Step 2: Convert to fraction form
    191,988.60/264,944.38 = 107,105.66/x
  3. Step 3: Cross multiply
    191,988.60x = 264,944.38 × 107,105.66
  4. Step 4: Simplify right side
    191,988.60x = 28,377,043,030.23
  5. Step 5: Solve for x
    x = 28,377,043,030.23/191,988.60
  6. Step 6: Final answer
    x = 147,805.88

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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.