Home / 187,934.64-281,896.47-69,603.36

Finding the Fourth Proportional to 187,934.64, 281,896.47 and 69,603.36

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Solution

The fourth proportional to 187,934.64, 281,896.47 and 69,603.36 is: 104,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,934.64 : 281,896.47 = 69,603.36 : x
  2. Step 2: Convert to fraction form
    187,934.64/281,896.47 = 69,603.36/x
  3. Step 3: Cross multiply
    187,934.64x = 281,896.47 × 69,603.36
  4. Step 4: Simplify right side
    187,934.64x = 19,620,941,484.14
  5. Step 5: Solve for x
    x = 19,620,941,484.14/187,934.64
  6. Step 6: Final answer
    x = 104,403.01

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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.