Home / 207,639.40-285,924.16-192,568.32

Finding the Fourth Proportional to 207,639.40, 285,924.16 and 192,568.32

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Solution

The fourth proportional to 207,639.40, 285,924.16 and 192,568.32 is: 265,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,639.40 : 285,924.16 = 192,568.32 : x
  2. Step 2: Convert to fraction form
    207,639.40/285,924.16 = 192,568.32/x
  3. Step 3: Cross multiply
    207,639.40x = 285,924.16 × 192,568.32
  4. Step 4: Simplify right side
    207,639.40x = 55,059,935,138.61
  5. Step 5: Solve for x
    x = 55,059,935,138.61/207,639.40
  6. Step 6: Final answer
    x = 265,170.94

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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.