Home / 96,455.16-144,507.78-71,217.18

Finding the Fourth Proportional to 96,455.16, 144,507.78 and 71,217.18

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Solution

The fourth proportional to 96,455.16, 144,507.78 and 71,217.18 is: 106,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,455.16 : 144,507.78 = 71,217.18 : x
  2. Step 2: Convert to fraction form
    96,455.16/144,507.78 = 71,217.18/x
  3. Step 3: Cross multiply
    96,455.16x = 144,507.78 × 71,217.18
  4. Step 4: Simplify right side
    96,455.16x = 10,291,436,579.66
  5. Step 5: Solve for x
    x = 10,291,436,579.66/96,455.16
  6. Step 6: Final answer
    x = 106,696.59

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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.