Home / 219,048.74-302,287.05-118,446.50

Finding the Fourth Proportional to 219,048.74, 302,287.05 and 118,446.50

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Solution

The fourth proportional to 219,048.74, 302,287.05 and 118,446.50 is: 163,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,048.74 : 302,287.05 = 118,446.50 : x
  2. Step 2: Convert to fraction form
    219,048.74/302,287.05 = 118,446.50/x
  3. Step 3: Cross multiply
    219,048.74x = 302,287.05 × 118,446.50
  4. Step 4: Simplify right side
    219,048.74x = 35,804,843,067.83
  5. Step 5: Solve for x
    x = 35,804,843,067.83/219,048.74
  6. Step 6: Final answer
    x = 163,456.06

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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.