Home / 203,328.06-280,592.71-112,697.64

Finding the Fourth Proportional to 203,328.06, 280,592.71 and 112,697.64

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Solution

The fourth proportional to 203,328.06, 280,592.71 and 112,697.64 is: 155,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,328.06 : 280,592.71 = 112,697.64 : x
  2. Step 2: Convert to fraction form
    203,328.06/280,592.71 = 112,697.64/x
  3. Step 3: Cross multiply
    203,328.06x = 280,592.71 × 112,697.64
  4. Step 4: Simplify right side
    203,328.06x = 31,622,135,936.46
  5. Step 5: Solve for x
    x = 31,622,135,936.46/203,328.06
  6. Step 6: Final answer
    x = 155,522.74

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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.