Home / 203,225.64-280,446.18-111,344.28

Finding the Fourth Proportional to 203,225.64, 280,446.18 and 111,344.28

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Solution

The fourth proportional to 203,225.64, 280,446.18 and 111,344.28 is: 153,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,225.64 : 280,446.18 = 111,344.28 : x
  2. Step 2: Convert to fraction form
    203,225.64/280,446.18 = 111,344.28/x
  3. Step 3: Cross multiply
    203,225.64x = 280,446.18 × 111,344.28
  4. Step 4: Simplify right side
    203,225.64x = 31,226,077,990.85
  5. Step 5: Solve for x
    x = 31,226,077,990.85/203,225.64
  6. Step 6: Final answer
    x = 153,652.26

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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.