Home / 187,684.38-259,006.14-107,111.10

Finding the Fourth Proportional to 187,684.38, 259,006.14 and 107,111.10

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Solution

The fourth proportional to 187,684.38, 259,006.14 and 107,111.10 is: 147,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,684.38 : 259,006.14 = 107,111.10 : x
  2. Step 2: Convert to fraction form
    187,684.38/259,006.14 = 107,111.10/x
  3. Step 3: Cross multiply
    187,684.38x = 259,006.14 × 107,111.10
  4. Step 4: Simplify right side
    187,684.38x = 27,742,432,562.15
  5. Step 5: Solve for x
    x = 27,742,432,562.15/187,684.38
  6. Step 6: Final answer
    x = 147,814.29

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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.