Home / 113,819.92-157,076.40-63,518.92

Finding the Fourth Proportional to 113,819.92, 157,076.40 and 63,518.92

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Solution

The fourth proportional to 113,819.92, 157,076.40 and 63,518.92 is: 87,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.92 : 157,076.40 = 63,518.92 : x
  2. Step 2: Convert to fraction form
    113,819.92/157,076.40 = 63,518.92/x
  3. Step 3: Cross multiply
    113,819.92x = 157,076.40 × 63,518.92
  4. Step 4: Simplify right side
    113,819.92x = 9,977,323,285.49
  5. Step 5: Solve for x
    x = 9,977,323,285.49/113,819.92
  6. Step 6: Final answer
    x = 87,658.85

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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.