Home / 112,676.54-155,502.25-64,279.52

Finding the Fourth Proportional to 112,676.54, 155,502.25 and 64,279.52

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Solution

The fourth proportional to 112,676.54, 155,502.25 and 64,279.52 is: 88,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,676.54 : 155,502.25 = 64,279.52 : x
  2. Step 2: Convert to fraction form
    112,676.54/155,502.25 = 64,279.52/x
  3. Step 3: Cross multiply
    112,676.54x = 155,502.25 × 64,279.52
  4. Step 4: Simplify right side
    112,676.54x = 9,995,610,508.54
  5. Step 5: Solve for x
    x = 9,995,610,508.54/112,676.54
  6. Step 6: Final answer
    x = 88,710.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.