Home / 191,098.13-263,672.55-115,645.01

Finding the Fourth Proportional to 191,098.13, 263,672.55 and 115,645.01

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Solution

The fourth proportional to 191,098.13, 263,672.55 and 115,645.01 is: 159,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,098.13 : 263,672.55 = 115,645.01 : x
  2. Step 2: Convert to fraction form
    191,098.13/263,672.55 = 115,645.01/x
  3. Step 3: Cross multiply
    191,098.13x = 263,672.55 × 115,645.01
  4. Step 4: Simplify right side
    191,098.13x = 30,492,414,681.48
  5. Step 5: Solve for x
    x = 30,492,414,681.48/191,098.13
  6. Step 6: Final answer
    x = 159,564.17

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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.