Home / 147,640.89-221,255.46-111,587.76

Finding the Fourth Proportional to 147,640.89, 221,255.46 and 111,587.76

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Solution

The fourth proportional to 147,640.89, 221,255.46 and 111,587.76 is: 167,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,640.89 : 221,255.46 = 111,587.76 : x
  2. Step 2: Convert to fraction form
    147,640.89/221,255.46 = 111,587.76/x
  3. Step 3: Cross multiply
    147,640.89x = 221,255.46 × 111,587.76
  4. Step 4: Simplify right side
    147,640.89x = 24,689,401,169.17
  5. Step 5: Solve for x
    x = 24,689,401,169.17/147,640.89
  6. Step 6: Final answer
    x = 167,226.04

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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.