Home / 107,438.22-148,267.38-59,039.76

Finding the Fourth Proportional to 107,438.22, 148,267.38 and 59,039.76

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Solution

The fourth proportional to 107,438.22, 148,267.38 and 59,039.76 is: 81,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,438.22 : 148,267.38 = 59,039.76 : x
  2. Step 2: Convert to fraction form
    107,438.22/148,267.38 = 59,039.76/x
  3. Step 3: Cross multiply
    107,438.22x = 148,267.38 × 59,039.76
  4. Step 4: Simplify right side
    107,438.22x = 8,753,670,531.03
  5. Step 5: Solve for x
    x = 8,753,670,531.03/107,438.22
  6. Step 6: Final answer
    x = 81,476.32

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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.