Home / 203,339.02-280,600.20-112,696.53

Finding the Fourth Proportional to 203,339.02, 280,600.20 and 112,696.53

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Solution

The fourth proportional to 203,339.02, 280,600.20 and 112,696.53 is: 155,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,339.02 : 280,600.20 = 112,696.53 : x
  2. Step 2: Convert to fraction form
    203,339.02/280,600.20 = 112,696.53/x
  3. Step 3: Cross multiply
    203,339.02x = 280,600.20 × 112,696.53
  4. Step 4: Simplify right side
    203,339.02x = 31,622,668,857.31
  5. Step 5: Solve for x
    x = 31,622,668,857.31/203,339.02
  6. Step 6: Final answer
    x = 155,516.98

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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.