Home / 122,304.20-183,456.30-92,779.70

Finding the Fourth Proportional to 122,304.20, 183,456.30 and 92,779.70

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Solution

The fourth proportional to 122,304.20, 183,456.30 and 92,779.70 is: 139,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,304.20 : 183,456.30 = 92,779.70 : x
  2. Step 2: Convert to fraction form
    122,304.20/183,456.30 = 92,779.70/x
  3. Step 3: Cross multiply
    122,304.20x = 183,456.30 × 92,779.70
  4. Step 4: Simplify right side
    122,304.20x = 17,021,020,477.11
  5. Step 5: Solve for x
    x = 17,021,020,477.11/122,304.20
  6. Step 6: Final answer
    x = 139,169.55

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1.5x scale

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.