Home / 115,931.20-173,929.20-56,768.80

Finding the Fourth Proportional to 115,931.20, 173,929.20 and 56,768.80

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Solution

The fourth proportional to 115,931.20, 173,929.20 and 56,768.80 is: 85,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,931.20 : 173,929.20 = 56,768.80 : x
  2. Step 2: Convert to fraction form
    115,931.20/173,929.20 = 56,768.80/x
  3. Step 3: Cross multiply
    115,931.20x = 173,929.20 × 56,768.80
  4. Step 4: Simplify right side
    115,931.20x = 9,873,751,968.96
  5. Step 5: Solve for x
    x = 9,873,751,968.96/115,931.20
  6. Step 6: Final answer
    x = 85,169.07

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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.