Home / 154,589.14-213,284.59-86,596.93

Finding the Fourth Proportional to 154,589.14, 213,284.59 and 86,596.93

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Solution

The fourth proportional to 154,589.14, 213,284.59 and 86,596.93 is: 119,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,589.14 : 213,284.59 = 86,596.93 : x
  2. Step 2: Convert to fraction form
    154,589.14/213,284.59 = 86,596.93/x
  3. Step 3: Cross multiply
    154,589.14x = 213,284.59 × 86,596.93
  4. Step 4: Simplify right side
    154,589.14x = 18,469,791,247.53
  5. Step 5: Solve for x
    x = 18,469,791,247.53/154,589.14
  6. Step 6: Final answer
    x = 119,476.64

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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.