Home / 136,031.72-204,062.78-36,195.76

Finding the Fourth Proportional to 136,031.72, 204,062.78 and 36,195.76

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Solution

The fourth proportional to 136,031.72, 204,062.78 and 36,195.76 is: 54,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,031.72 : 204,062.78 = 36,195.76 : x
  2. Step 2: Convert to fraction form
    136,031.72/204,062.78 = 36,195.76/x
  3. Step 3: Cross multiply
    136,031.72x = 204,062.78 × 36,195.76
  4. Step 4: Simplify right side
    136,031.72x = 7,386,207,409.81
  5. Step 5: Solve for x
    x = 7,386,207,409.81/136,031.72
  6. Step 6: Final answer
    x = 54,297.68

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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.