Home / 234,848.64-352,188-99,921.72

Finding the Fourth Proportional to 234,848.64, 352,188 and 99,921.72

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Solution

The fourth proportional to 234,848.64, 352,188 and 99,921.72 is: 149,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,848.64 : 352,188 = 99,921.72 : x
  2. Step 2: Convert to fraction form
    234,848.64/352,188 = 99,921.72/x
  3. Step 3: Cross multiply
    234,848.64x = 352,188 × 99,921.72
  4. Step 4: Simplify right side
    234,848.64x = 35,191,230,723.36
  5. Step 5: Solve for x
    x = 35,191,230,723.36/234,848.64
  6. Step 6: Final answer
    x = 149,846.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.