Home / 187,807.68-281,776.32-117,603.36

Finding the Fourth Proportional to 187,807.68, 281,776.32 and 117,603.36

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Solution

The fourth proportional to 187,807.68, 281,776.32 and 117,603.36 is: 176,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,807.68 : 281,776.32 = 117,603.36 : x
  2. Step 2: Convert to fraction form
    187,807.68/281,776.32 = 117,603.36/x
  3. Step 3: Cross multiply
    187,807.68x = 281,776.32 × 117,603.36
  4. Step 4: Simplify right side
    187,807.68x = 33,137,842,000.44
  5. Step 5: Solve for x
    x = 33,137,842,000.44/187,807.68
  6. Step 6: Final answer
    x = 176,445.62

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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.