Home / 345,302.92-518,439-176,944.24

Finding the Fourth Proportional to 345,302.92, 518,439 and 176,944.24

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Solution

The fourth proportional to 345,302.92, 518,439 and 176,944.24 is: 265,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,302.92 : 518,439 = 176,944.24 : x
  2. Step 2: Convert to fraction form
    345,302.92/518,439 = 176,944.24/x
  3. Step 3: Cross multiply
    345,302.92x = 518,439 × 176,944.24
  4. Step 4: Simplify right side
    345,302.92x = 91,734,794,841.36
  5. Step 5: Solve for x
    x = 91,734,794,841.36/345,302.92
  6. Step 6: Final answer
    x = 265,664.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.