Home / 136,219.92-204,358.68-42,735.12

Finding the Fourth Proportional to 136,219.92, 204,358.68 and 42,735.12

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Solution

The fourth proportional to 136,219.92, 204,358.68 and 42,735.12 is: 64,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,219.92 : 204,358.68 = 42,735.12 : x
  2. Step 2: Convert to fraction form
    136,219.92/204,358.68 = 42,735.12/x
  3. Step 3: Cross multiply
    136,219.92x = 204,358.68 × 42,735.12
  4. Step 4: Simplify right side
    136,219.92x = 8,733,292,712.84
  5. Step 5: Solve for x
    x = 8,733,292,712.84/136,219.92
  6. Step 6: Final answer
    x = 64,111.72

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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.