Home / 122,085.90-183,127.14-74,065.95

Finding the Fourth Proportional to 122,085.90, 183,127.14 and 74,065.95

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Solution

The fourth proportional to 122,085.90, 183,127.14 and 74,065.95 is: 111,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,085.90 : 183,127.14 = 74,065.95 : x
  2. Step 2: Convert to fraction form
    122,085.90/183,127.14 = 74,065.95/x
  3. Step 3: Cross multiply
    122,085.90x = 183,127.14 × 74,065.95
  4. Step 4: Simplify right side
    122,085.90x = 13,563,485,594.88
  5. Step 5: Solve for x
    x = 13,563,485,594.88/122,085.90
  6. Step 6: Final answer
    x = 111,097.89

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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.