Home / 158,819.49-238,165.65-70,009.88

Finding the Fourth Proportional to 158,819.49, 238,165.65 and 70,009.88

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Solution

The fourth proportional to 158,819.49, 238,165.65 and 70,009.88 is: 104,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,819.49 : 238,165.65 = 70,009.88 : x
  2. Step 2: Convert to fraction form
    158,819.49/238,165.65 = 70,009.88/x
  3. Step 3: Cross multiply
    158,819.49x = 238,165.65 × 70,009.88
  4. Step 4: Simplify right side
    158,819.49x = 16,673,947,385.79
  5. Step 5: Solve for x
    x = 16,673,947,385.79/158,819.49
  6. Step 6: Final answer
    x = 104,986.78

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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.