Home / 191,971.76-264,917.88-107,098.16

Finding the Fourth Proportional to 191,971.76, 264,917.88 and 107,098.16

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Solution

The fourth proportional to 191,971.76, 264,917.88 and 107,098.16 is: 147,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,971.76 : 264,917.88 = 107,098.16 : x
  2. Step 2: Convert to fraction form
    191,971.76/264,917.88 = 107,098.16/x
  3. Step 3: Cross multiply
    191,971.76x = 264,917.88 × 107,098.16
  4. Step 4: Simplify right side
    191,971.76x = 28,372,217,499.10
  5. Step 5: Solve for x
    x = 28,372,217,499.10/191,971.76
  6. Step 6: Final answer
    x = 147,793.70

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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.