Home / 226,369.84-312,390.38-130,882.69

Finding the Fourth Proportional to 226,369.84, 312,390.38 and 130,882.69

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Solution

The fourth proportional to 226,369.84, 312,390.38 and 130,882.69 is: 180,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,369.84 : 312,390.38 = 130,882.69 : x
  2. Step 2: Convert to fraction form
    226,369.84/312,390.38 = 130,882.69/x
  3. Step 3: Cross multiply
    226,369.84x = 312,390.38 × 130,882.69
  4. Step 4: Simplify right side
    226,369.84x = 40,886,493,264.52
  5. Step 5: Solve for x
    x = 40,886,493,264.52/226,369.84
  6. Step 6: Final answer
    x = 180,618.11

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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.