Home / 265,932.48-398,895.66-76,397.50

Finding the Fourth Proportional to 265,932.48, 398,895.66 and 76,397.50

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Solution

The fourth proportional to 265,932.48, 398,895.66 and 76,397.50 is: 114,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,932.48 : 398,895.66 = 76,397.50 : x
  2. Step 2: Convert to fraction form
    265,932.48/398,895.66 = 76,397.50/x
  3. Step 3: Cross multiply
    265,932.48x = 398,895.66 × 76,397.50
  4. Step 4: Simplify right side
    265,932.48x = 30,474,631,184.85
  5. Step 5: Solve for x
    x = 30,474,631,184.85/265,932.48
  6. Step 6: Final answer
    x = 114,595.37

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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.