Home / 146,979.48-220,488.78-47,106.48

Finding the Fourth Proportional to 146,979.48, 220,488.78 and 47,106.48

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Solution

The fourth proportional to 146,979.48, 220,488.78 and 47,106.48 is: 70,665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,979.48 : 220,488.78 = 47,106.48 : x
  2. Step 2: Convert to fraction form
    146,979.48/220,488.78 = 47,106.48/x
  3. Step 3: Cross multiply
    146,979.48x = 220,488.78 × 47,106.48
  4. Step 4: Simplify right side
    146,979.48x = 10,386,450,305.29
  5. Step 5: Solve for x
    x = 10,386,450,305.29/146,979.48
  6. Step 6: Final answer
    x = 70,665.99

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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.