Home / 234,455.07-323,528.85-137,648.73

Finding the Fourth Proportional to 234,455.07, 323,528.85 and 137,648.73

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Solution

The fourth proportional to 234,455.07, 323,528.85 and 137,648.73 is: 189,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,455.07 : 323,528.85 = 137,648.73 : x
  2. Step 2: Convert to fraction form
    234,455.07/323,528.85 = 137,648.73/x
  3. Step 3: Cross multiply
    234,455.07x = 323,528.85 × 137,648.73
  4. Step 4: Simplify right side
    234,455.07x = 44,533,335,320.86
  5. Step 5: Solve for x
    x = 44,533,335,320.86/234,455.07
  6. Step 6: Final answer
    x = 189,944.01

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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.