Home / 213,045.18-319,567.05-119,616.54

Finding the Fourth Proportional to 213,045.18, 319,567.05 and 119,616.54

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Solution

The fourth proportional to 213,045.18, 319,567.05 and 119,616.54 is: 179,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,045.18 : 319,567.05 = 119,616.54 : x
  2. Step 2: Convert to fraction form
    213,045.18/319,567.05 = 119,616.54/x
  3. Step 3: Cross multiply
    213,045.18x = 319,567.05 × 119,616.54
  4. Step 4: Simplify right side
    213,045.18x = 38,225,504,819.01
  5. Step 5: Solve for x
    x = 38,225,504,819.01/213,045.18
  6. Step 6: Final answer
    x = 179,424.41

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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.