Home / 107,350.66-147,900.20-83,068.12

Finding the Fourth Proportional to 107,350.66, 147,900.20 and 83,068.12

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Solution

The fourth proportional to 107,350.66, 147,900.20 and 83,068.12 is: 114,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350.66 : 147,900.20 = 83,068.12 : x
  2. Step 2: Convert to fraction form
    107,350.66/147,900.20 = 83,068.12/x
  3. Step 3: Cross multiply
    107,350.66x = 147,900.20 × 83,068.12
  4. Step 4: Simplify right side
    107,350.66x = 12,285,791,561.62
  5. Step 5: Solve for x
    x = 12,285,791,561.62/107,350.66
  6. Step 6: Final answer
    x = 114,445.42

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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.