Home / 106,938.28-147,559.38-59,191.51

Finding the Fourth Proportional to 106,938.28, 147,559.38 and 59,191.51

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Solution

The fourth proportional to 106,938.28, 147,559.38 and 59,191.51 is: 81,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.28 : 147,559.38 = 59,191.51 : x
  2. Step 2: Convert to fraction form
    106,938.28/147,559.38 = 59,191.51/x
  3. Step 3: Cross multiply
    106,938.28x = 147,559.38 × 59,191.51
  4. Step 4: Simplify right side
    106,938.28x = 8,734,262,516.86
  5. Step 5: Solve for x
    x = 8,734,262,516.86/106,938.28
  6. Step 6: Final answer
    x = 81,675.73

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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.