Home / 242,827.40-364,046.70-102,470.60

Finding the Fourth Proportional to 242,827.40, 364,046.70 and 102,470.60

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Solution

The fourth proportional to 242,827.40, 364,046.70 and 102,470.60 is: 153,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,827.40 : 364,046.70 = 102,470.60 : x
  2. Step 2: Convert to fraction form
    242,827.40/364,046.70 = 102,470.60/x
  3. Step 3: Cross multiply
    242,827.40x = 364,046.70 × 102,470.60
  4. Step 4: Simplify right side
    242,827.40x = 37,304,083,777.02
  5. Step 5: Solve for x
    x = 37,304,083,777.02/242,827.40
  6. Step 6: Final answer
    x = 153,623.87

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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.