Home / 342,983.41-473,278.80-189,983.65

Finding the Fourth Proportional to 342,983.41, 473,278.80 and 189,983.65

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Solution

The fourth proportional to 342,983.41, 473,278.80 and 189,983.65 is: 262,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,983.41 : 473,278.80 = 189,983.65 : x
  2. Step 2: Convert to fraction form
    342,983.41/473,278.80 = 189,983.65/x
  3. Step 3: Cross multiply
    342,983.41x = 473,278.80 × 189,983.65
  4. Step 4: Simplify right side
    342,983.41x = 89,915,233,891.62
  5. Step 5: Solve for x
    x = 89,915,233,891.62/342,983.41
  6. Step 6: Final answer
    x = 262,156.22

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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.