Home / 122,084.90-183,125.64-74,064.95

Finding the Fourth Proportional to 122,084.90, 183,125.64 and 74,064.95

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Solution

The fourth proportional to 122,084.90, 183,125.64 and 74,064.95 is: 111,096.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,084.90 : 183,125.64 = 74,064.95 : x
  2. Step 2: Convert to fraction form
    122,084.90/183,125.64 = 74,064.95/x
  3. Step 3: Cross multiply
    122,084.90x = 183,125.64 × 74,064.95
  4. Step 4: Simplify right side
    122,084.90x = 13,563,191,370.32
  5. Step 5: Solve for x
    x = 13,563,191,370.32/122,084.90
  6. Step 6: Final answer
    x = 111,096.39

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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.