Home / 239,043.40-358,604.05-70,580.76

Finding the Fourth Proportional to 239,043.40, 358,604.05 and 70,580.76

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Solution

The fourth proportional to 239,043.40, 358,604.05 and 70,580.76 is: 105,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,043.40 : 358,604.05 = 70,580.76 : x
  2. Step 2: Convert to fraction form
    239,043.40/358,604.05 = 70,580.76/x
  3. Step 3: Cross multiply
    239,043.40x = 358,604.05 × 70,580.76
  4. Step 4: Simplify right side
    239,043.40x = 25,310,546,388.08
  5. Step 5: Solve for x
    x = 25,310,546,388.08/239,043.40
  6. Step 6: Final answer
    x = 105,882.64

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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.