Home / 122,590.35-183,542.91-66,228.52

Finding the Fourth Proportional to 122,590.35, 183,542.91 and 66,228.52

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Solution

The fourth proportional to 122,590.35, 183,542.91 and 66,228.52 is: 99,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,590.35 : 183,542.91 = 66,228.52 : x
  2. Step 2: Convert to fraction form
    122,590.35/183,542.91 = 66,228.52/x
  3. Step 3: Cross multiply
    122,590.35x = 183,542.91 × 66,228.52
  4. Step 4: Simplify right side
    122,590.35x = 12,155,775,763.58
  5. Step 5: Solve for x
    x = 12,155,775,763.58/122,590.35
  6. Step 6: Final answer
    x = 99,157.69

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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.