Home / 115,558.80-173,338.20-56,432.40

Finding the Fourth Proportional to 115,558.80, 173,338.20 and 56,432.40

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Solution

The fourth proportional to 115,558.80, 173,338.20 and 56,432.40 is: 84,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558.80 : 173,338.20 = 56,432.40 : x
  2. Step 2: Convert to fraction form
    115,558.80/173,338.20 = 56,432.40/x
  3. Step 3: Cross multiply
    115,558.80x = 173,338.20 × 56,432.40
  4. Step 4: Simplify right side
    115,558.80x = 9,781,890,637.68
  5. Step 5: Solve for x
    x = 9,781,890,637.68/115,558.80
  6. Step 6: Final answer
    x = 84,648.60

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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.