Home / 137,388.06-207,141.59-136,535.13

Finding the Fourth Proportional to 137,388.06, 207,141.59 and 136,535.13

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Solution

The fourth proportional to 137,388.06, 207,141.59 and 136,535.13 is: 205,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,388.06 : 207,141.59 = 136,535.13 : x
  2. Step 2: Convert to fraction form
    137,388.06/207,141.59 = 136,535.13/x
  3. Step 3: Cross multiply
    137,388.06x = 207,141.59 × 136,535.13
  4. Step 4: Simplify right side
    137,388.06x = 28,282,103,919.06
  5. Step 5: Solve for x
    x = 28,282,103,919.06/137,388.06
  6. Step 6: Final answer
    x = 205,855.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.