Home / 330,124.03-495,218.86-119,778.37

Finding the Fourth Proportional to 330,124.03, 495,218.86 and 119,778.37

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Solution

The fourth proportional to 330,124.03, 495,218.86 and 119,778.37 is: 179,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,124.03 : 495,218.86 = 119,778.37 : x
  2. Step 2: Convert to fraction form
    330,124.03/495,218.86 = 119,778.37/x
  3. Step 3: Cross multiply
    330,124.03x = 495,218.86 × 119,778.37
  4. Step 4: Simplify right side
    330,124.03x = 59,316,506,306.57
  5. Step 5: Solve for x
    x = 59,316,506,306.57/330,124.03
  6. Step 6: Final answer
    x = 179,679.46

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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.