Home / 104,215.96-143,867.60-69,819.91

Finding the Fourth Proportional to 104,215.96, 143,867.60 and 69,819.91

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Solution

The fourth proportional to 104,215.96, 143,867.60 and 69,819.91 is: 96,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,215.96 : 143,867.60 = 69,819.91 : x
  2. Step 2: Convert to fraction form
    104,215.96/143,867.60 = 69,819.91/x
  3. Step 3: Cross multiply
    104,215.96x = 143,867.60 × 69,819.91
  4. Step 4: Simplify right side
    104,215.96x = 10,044,822,883.92
  5. Step 5: Solve for x
    x = 10,044,822,883.92/104,215.96
  6. Step 6: Final answer
    x = 96,384.69

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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.