Home / 203,325.17-280,590.33-112,682.63

Finding the Fourth Proportional to 203,325.17, 280,590.33 and 112,682.63

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Solution

The fourth proportional to 203,325.17, 280,590.33 and 112,682.63 is: 155,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,325.17 : 280,590.33 = 112,682.63 : x
  2. Step 2: Convert to fraction form
    203,325.17/280,590.33 = 112,682.63/x
  3. Step 3: Cross multiply
    203,325.17x = 280,590.33 × 112,682.63
  4. Step 4: Simplify right side
    203,325.17x = 31,617,654,934.02
  5. Step 5: Solve for x
    x = 31,617,654,934.02/203,325.17
  6. Step 6: Final answer
    x = 155,502.91

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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.