Home / 278,567.04-384,418.56-151,247.52

Finding the Fourth Proportional to 278,567.04, 384,418.56 and 151,247.52

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Solution

The fourth proportional to 278,567.04, 384,418.56 and 151,247.52 is: 208,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,567.04 : 384,418.56 = 151,247.52 : x
  2. Step 2: Convert to fraction form
    278,567.04/384,418.56 = 151,247.52/x
  3. Step 3: Cross multiply
    278,567.04x = 384,418.56 × 151,247.52
  4. Step 4: Simplify right side
    278,567.04x = 58,142,353,841.97
  5. Step 5: Solve for x
    x = 58,142,353,841.97/278,567.04
  6. Step 6: Final answer
    x = 208,719.43

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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.