Home / 98,763.06-136,293.39-91,228.62

Finding the Fourth Proportional to 98,763.06, 136,293.39 and 91,228.62

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Solution

The fourth proportional to 98,763.06, 136,293.39 and 91,228.62 is: 125,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,763.06 : 136,293.39 = 91,228.62 : x
  2. Step 2: Convert to fraction form
    98,763.06/136,293.39 = 91,228.62/x
  3. Step 3: Cross multiply
    98,763.06x = 136,293.39 × 91,228.62
  4. Step 4: Simplify right side
    98,763.06x = 12,433,857,884.82
  5. Step 5: Solve for x
    x = 12,433,857,884.82/98,763.06
  6. Step 6: Final answer
    x = 125,895.83

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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.