Home / 265,734.27-398,564.01-76,210.88

Finding the Fourth Proportional to 265,734.27, 398,564.01 and 76,210.88

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Solution

The fourth proportional to 265,734.27, 398,564.01 and 76,210.88 is: 114,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734.27 : 398,564.01 = 76,210.88 : x
  2. Step 2: Convert to fraction form
    265,734.27/398,564.01 = 76,210.88/x
  3. Step 3: Cross multiply
    265,734.27x = 398,564.01 × 76,210.88
  4. Step 4: Simplify right side
    265,734.27x = 30,374,911,945.61
  5. Step 5: Solve for x
    x = 30,374,911,945.61/265,734.27
  6. Step 6: Final answer
    x = 114,305.59

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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.