Home / 280,161.56-386,623.86-152,839.82

Finding the Fourth Proportional to 280,161.56, 386,623.86 and 152,839.82

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Solution

The fourth proportional to 280,161.56, 386,623.86 and 152,839.82 is: 210,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,161.56 : 386,623.86 = 152,839.82 : x
  2. Step 2: Convert to fraction form
    280,161.56/386,623.86 = 152,839.82/x
  3. Step 3: Cross multiply
    280,161.56x = 386,623.86 × 152,839.82
  4. Step 4: Simplify right side
    280,161.56x = 59,091,521,170.11
  5. Step 5: Solve for x
    x = 59,091,521,170.11/280,161.56
  6. Step 6: Final answer
    x = 210,919.45

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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.