Home / 247,009.04-340,622.64-219,698.88

Finding the Fourth Proportional to 247,009.04, 340,622.64 and 219,698.88

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Solution

The fourth proportional to 247,009.04, 340,622.64 and 219,698.88 is: 302,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,009.04 : 340,622.64 = 219,698.88 : x
  2. Step 2: Convert to fraction form
    247,009.04/340,622.64 = 219,698.88/x
  3. Step 3: Cross multiply
    247,009.04x = 340,622.64 × 219,698.88
  4. Step 4: Simplify right side
    247,009.04x = 74,834,412,510.64
  5. Step 5: Solve for x
    x = 74,834,412,510.64/247,009.04
  6. Step 6: Final answer
    x = 302,962.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.