Home / 287,824.61-397,269.16-196,095.69

Finding the Fourth Proportional to 287,824.61, 397,269.16 and 196,095.69

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Solution

The fourth proportional to 287,824.61, 397,269.16 and 196,095.69 is: 270,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,824.61 : 397,269.16 = 196,095.69 : x
  2. Step 2: Convert to fraction form
    287,824.61/397,269.16 = 196,095.69/x
  3. Step 3: Cross multiply
    287,824.61x = 397,269.16 × 196,095.69
  4. Step 4: Simplify right side
    287,824.61x = 77,902,769,555.68
  5. Step 5: Solve for x
    x = 77,902,769,555.68/287,824.61
  6. Step 6: Final answer
    x = 270,660.56

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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.