Home / 342,929.28-473,231.70-189,961.32

Finding the Fourth Proportional to 342,929.28, 473,231.70 and 189,961.32

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Solution

The fourth proportional to 342,929.28, 473,231.70 and 189,961.32 is: 262,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,929.28 : 473,231.70 = 189,961.32 : x
  2. Step 2: Convert to fraction form
    342,929.28/473,231.70 = 189,961.32/x
  3. Step 3: Cross multiply
    342,929.28x = 473,231.70 × 189,961.32
  4. Step 4: Simplify right side
    342,929.28x = 89,895,718,397.84
  5. Step 5: Solve for x
    x = 89,895,718,397.84/342,929.28
  6. Step 6: Final answer
    x = 262,140.69

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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.