Home / 238,864.14-358,238.34-70,338.60

Finding the Fourth Proportional to 238,864.14, 358,238.34 and 70,338.60

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Solution

The fourth proportional to 238,864.14, 358,238.34 and 70,338.60 is: 105,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,864.14 : 358,238.34 = 70,338.60 : x
  2. Step 2: Convert to fraction form
    238,864.14/358,238.34 = 70,338.60/x
  3. Step 3: Cross multiply
    238,864.14x = 358,238.34 × 70,338.60
  4. Step 4: Simplify right side
    238,864.14x = 25,197,983,301.92
  5. Step 5: Solve for x
    x = 25,197,983,301.92/238,864.14
  6. Step 6: Final answer
    x = 105,490.86

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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.