Home / 115,875.10-162,691.70-115,875.10

Finding the Fourth Proportional to 115,875.10, 162,691.70 and 115,875.10

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Solution

The fourth proportional to 115,875.10, 162,691.70 and 115,875.10 is: 162,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,875.10 : 162,691.70 = 115,875.10 : x
  2. Step 2: Convert to fraction form
    115,875.10/162,691.70 = 115,875.10/x
  3. Step 3: Cross multiply
    115,875.10x = 162,691.70 × 115,875.10
  4. Step 4: Simplify right side
    115,875.10x = 18,851,917,006.67
  5. Step 5: Solve for x
    x = 18,851,917,006.67/115,875.10
  6. Step 6: Final answer
    x = 162,691.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.