Home / 487,631.80-731,258.62-167,722.84

Finding the Fourth Proportional to 487,631.80, 731,258.62 and 167,722.84

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Solution

The fourth proportional to 487,631.80, 731,258.62 and 167,722.84 is: 251,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,631.80 : 731,258.62 = 167,722.84 : x
  2. Step 2: Convert to fraction form
    487,631.80/731,258.62 = 167,722.84/x
  3. Step 3: Cross multiply
    487,631.80x = 731,258.62 × 167,722.84
  4. Step 4: Simplify right side
    487,631.80x = 122,648,772,520.88
  5. Step 5: Solve for x
    x = 122,648,772,520.88/487,631.80
  6. Step 6: Final answer
    x = 251,519.23

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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.