Home / 107,535.12-148,352.04-67,178.64

Finding the Fourth Proportional to 107,535.12, 148,352.04 and 67,178.64

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Solution

The fourth proportional to 107,535.12, 148,352.04 and 67,178.64 is: 92,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,535.12 : 148,352.04 = 67,178.64 : x
  2. Step 2: Convert to fraction form
    107,535.12/148,352.04 = 67,178.64/x
  3. Step 3: Cross multiply
    107,535.12x = 148,352.04 × 67,178.64
  4. Step 4: Simplify right side
    107,535.12x = 9,966,088,288.43
  5. Step 5: Solve for x
    x = 9,966,088,288.43/107,535.12
  6. Step 6: Final answer
    x = 92,677.52

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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.