Home / 187,364.79-281,050.83-68,975.19

Finding the Fourth Proportional to 187,364.79, 281,050.83 and 68,975.19

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Solution

The fourth proportional to 187,364.79, 281,050.83 and 68,975.19 is: 103,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,364.79 : 281,050.83 = 68,975.19 : x
  2. Step 2: Convert to fraction form
    187,364.79/281,050.83 = 68,975.19/x
  3. Step 3: Cross multiply
    187,364.79x = 281,050.83 × 68,975.19
  4. Step 4: Simplify right side
    187,364.79x = 19,385,534,398.91
  5. Step 5: Solve for x
    x = 19,385,534,398.91/187,364.79
  6. Step 6: Final answer
    x = 103,464.13

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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.