Home / 242,680.46-364,021.50-74,200.15

Finding the Fourth Proportional to 242,680.46, 364,021.50 and 74,200.15

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Solution

The fourth proportional to 242,680.46, 364,021.50 and 74,200.15 is: 111,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,680.46 : 364,021.50 = 74,200.15 : x
  2. Step 2: Convert to fraction form
    242,680.46/364,021.50 = 74,200.15/x
  3. Step 3: Cross multiply
    242,680.46x = 364,021.50 × 74,200.15
  4. Step 4: Simplify right side
    242,680.46x = 27,010,448,083.12
  5. Step 5: Solve for x
    x = 27,010,448,083.12/242,680.46
  6. Step 6: Final answer
    x = 111,300.47

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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.