Home / 187,547.89-258,799.68-111,053.26

Finding the Fourth Proportional to 187,547.89, 258,799.68 and 111,053.26

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Solution

The fourth proportional to 187,547.89, 258,799.68 and 111,053.26 is: 153,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,547.89 : 258,799.68 = 111,053.26 : x
  2. Step 2: Convert to fraction form
    187,547.89/258,799.68 = 111,053.26/x
  3. Step 3: Cross multiply
    187,547.89x = 258,799.68 × 111,053.26
  4. Step 4: Simplify right side
    187,547.89x = 28,740,546,856.96
  5. Step 5: Solve for x
    x = 28,740,546,856.96/187,547.89
  6. Step 6: Final answer
    x = 153,243.78

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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.