Home / 115,542.80-173,314.20-56,416.40

Finding the Fourth Proportional to 115,542.80, 173,314.20 and 56,416.40

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Solution

The fourth proportional to 115,542.80, 173,314.20 and 56,416.40 is: 84,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,542.80 : 173,314.20 = 56,416.40 : x
  2. Step 2: Convert to fraction form
    115,542.80/173,314.20 = 56,416.40/x
  3. Step 3: Cross multiply
    115,542.80x = 173,314.20 × 56,416.40
  4. Step 4: Simplify right side
    115,542.80x = 9,777,763,232.88
  5. Step 5: Solve for x
    x = 9,777,763,232.88/115,542.80
  6. Step 6: Final answer
    x = 84,624.60

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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.