Home / 203,334.95-280,602.23-112,704.53

Finding the Fourth Proportional to 203,334.95, 280,602.23 and 112,704.53

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Solution

The fourth proportional to 203,334.95, 280,602.23 and 112,704.53 is: 155,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,334.95 : 280,602.23 = 112,704.53 : x
  2. Step 2: Convert to fraction form
    203,334.95/280,602.23 = 112,704.53/x
  3. Step 3: Cross multiply
    203,334.95x = 280,602.23 × 112,704.53
  4. Step 4: Simplify right side
    203,334.95x = 31,625,142,060.96
  5. Step 5: Solve for x
    x = 31,625,142,060.96/203,334.95
  6. Step 6: Final answer
    x = 155,532.25

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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.