Home / 454,730.42-681,979.25-134,807.48

Finding the Fourth Proportional to 454,730.42, 681,979.25 and 134,807.48

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Solution

The fourth proportional to 454,730.42, 681,979.25 and 134,807.48 is: 202,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,730.42 : 681,979.25 = 134,807.48 : x
  2. Step 2: Convert to fraction form
    454,730.42/681,979.25 = 134,807.48/x
  3. Step 3: Cross multiply
    454,730.42x = 681,979.25 × 134,807.48
  4. Step 4: Simplify right side
    454,730.42x = 91,935,902,873.17
  5. Step 5: Solve for x
    x = 91,935,902,873.17/454,730.42
  6. Step 6: Final answer
    x = 202,176.71

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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.