Home / 107,918.10-161,877.15-83,006.10

Finding the Fourth Proportional to 107,918.10, 161,877.15 and 83,006.10

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Solution

The fourth proportional to 107,918.10, 161,877.15 and 83,006.10 is: 124,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,918.10 : 161,877.15 = 83,006.10 : x
  2. Step 2: Convert to fraction form
    107,918.10/161,877.15 = 83,006.10/x
  3. Step 3: Cross multiply
    107,918.10x = 161,877.15 × 83,006.10
  4. Step 4: Simplify right side
    107,918.10x = 13,436,790,900.62
  5. Step 5: Solve for x
    x = 13,436,790,900.62/107,918.10
  6. Step 6: Final answer
    x = 124,509.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.