Home / 191,316.28-263,945.12-119,669.08

Finding the Fourth Proportional to 191,316.28, 263,945.12 and 119,669.08

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Solution

The fourth proportional to 191,316.28, 263,945.12 and 119,669.08 is: 165,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,316.28 : 263,945.12 = 119,669.08 : x
  2. Step 2: Convert to fraction form
    191,316.28/263,945.12 = 119,669.08/x
  3. Step 3: Cross multiply
    191,316.28x = 263,945.12 × 119,669.08
  4. Step 4: Simplify right side
    191,316.28x = 31,586,069,680.89
  5. Step 5: Solve for x
    x = 31,586,069,680.89/191,316.28
  6. Step 6: Final answer
    x = 165,098.70

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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.