Home / 203,340.14-280,601.75-112,697.66

Finding the Fourth Proportional to 203,340.14, 280,601.75 and 112,697.66

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Solution

The fourth proportional to 203,340.14, 280,601.75 and 112,697.66 is: 155,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,340.14 : 280,601.75 = 112,697.66 : x
  2. Step 2: Convert to fraction form
    203,340.14/280,601.75 = 112,697.66/x
  3. Step 3: Cross multiply
    203,340.14x = 280,601.75 × 112,697.66
  4. Step 4: Simplify right side
    203,340.14x = 31,623,159,213.90
  5. Step 5: Solve for x
    x = 31,623,159,213.90/203,340.14
  6. Step 6: Final answer
    x = 155,518.53

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1.5x scale

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.