Home / 106,593.90-159,890.85-76,656.30

Finding the Fourth Proportional to 106,593.90, 159,890.85 and 76,656.30

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Solution

The fourth proportional to 106,593.90, 159,890.85 and 76,656.30 is: 114,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,593.90 : 159,890.85 = 76,656.30 : x
  2. Step 2: Convert to fraction form
    106,593.90/159,890.85 = 76,656.30/x
  3. Step 3: Cross multiply
    106,593.90x = 159,890.85 × 76,656.30
  4. Step 4: Simplify right side
    106,593.90x = 12,256,640,964.86
  5. Step 5: Solve for x
    x = 12,256,640,964.86/106,593.90
  6. Step 6: Final answer
    x = 114,984.45

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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.