Home / 309,263.24-463,984.76-129,433.52

Finding the Fourth Proportional to 309,263.24, 463,984.76 and 129,433.52

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Solution

The fourth proportional to 309,263.24, 463,984.76 and 129,433.52 is: 194,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,263.24 : 463,984.76 = 129,433.52 : x
  2. Step 2: Convert to fraction form
    309,263.24/463,984.76 = 129,433.52/x
  3. Step 3: Cross multiply
    309,263.24x = 463,984.76 × 129,433.52
  4. Step 4: Simplify right side
    309,263.24x = 60,055,180,713.16
  5. Step 5: Solve for x
    x = 60,055,180,713.16/309,263.24
  6. Step 6: Final answer
    x = 194,187.91

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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.