Home / 203,332.61-280,598.64-111,451.84

Finding the Fourth Proportional to 203,332.61, 280,598.64 and 111,451.84

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Solution

The fourth proportional to 203,332.61, 280,598.64 and 111,451.84 is: 153,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,332.61 : 280,598.64 = 111,451.84 : x
  2. Step 2: Convert to fraction form
    203,332.61/280,598.64 = 111,451.84/x
  3. Step 3: Cross multiply
    203,332.61x = 280,598.64 × 111,451.84
  4. Step 4: Simplify right side
    203,332.61x = 31,273,234,729.50
  5. Step 5: Solve for x
    x = 31,273,234,729.50/203,332.61
  6. Step 6: Final answer
    x = 153,803.34

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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.