Home / 191,417.19-287,103.91-51,186.75

Finding the Fourth Proportional to 191,417.19, 287,103.91 and 51,186.75

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Solution

The fourth proportional to 191,417.19, 287,103.91 and 51,186.75 is: 76,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,417.19 : 287,103.91 = 51,186.75 : x
  2. Step 2: Convert to fraction form
    191,417.19/287,103.91 = 51,186.75/x
  3. Step 3: Cross multiply
    191,417.19x = 287,103.91 × 51,186.75
  4. Step 4: Simplify right side
    191,417.19x = 14,695,916,065.19
  5. Step 5: Solve for x
    x = 14,695,916,065.19/191,417.19
  6. Step 6: Final answer
    x = 76,774.28

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