Home / 107,510.49-161,015.45-103,773.15

Finding the Fourth Proportional to 107,510.49, 161,015.45 and 103,773.15

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Solution

The fourth proportional to 107,510.49, 161,015.45 and 103,773.15 is: 155,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,510.49 : 161,015.45 = 103,773.15 : x
  2. Step 2: Convert to fraction form
    107,510.49/161,015.45 = 103,773.15/x
  3. Step 3: Cross multiply
    107,510.49x = 161,015.45 × 103,773.15
  4. Step 4: Simplify right side
    107,510.49x = 16,709,079,926.30
  5. Step 5: Solve for x
    x = 16,709,079,926.30/107,510.49
  6. Step 6: Final answer
    x = 155,418.14

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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.