Home / 110,217.89-152,098.99-61,819.81

Finding the Fourth Proportional to 110,217.89, 152,098.99 and 61,819.81

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Solution

The fourth proportional to 110,217.89, 152,098.99 and 61,819.81 is: 85,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,217.89 : 152,098.99 = 61,819.81 : x
  2. Step 2: Convert to fraction form
    110,217.89/152,098.99 = 61,819.81/x
  3. Step 3: Cross multiply
    110,217.89x = 152,098.99 × 61,819.81
  4. Step 4: Simplify right side
    110,217.89x = 9,402,730,128.19
  5. Step 5: Solve for x
    x = 9,402,730,128.19/110,217.89
  6. Step 6: Final answer
    x = 85,310.38

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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.