Home / 114,917.13-158,588.69-69,603.30

Finding the Fourth Proportional to 114,917.13, 158,588.69 and 69,603.30

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Solution

The fourth proportional to 114,917.13, 158,588.69 and 69,603.30 is: 96,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,917.13 : 158,588.69 = 69,603.30 : x
  2. Step 2: Convert to fraction form
    114,917.13/158,588.69 = 69,603.30/x
  3. Step 3: Cross multiply
    114,917.13x = 158,588.69 × 69,603.30
  4. Step 4: Simplify right side
    114,917.13x = 11,038,295,818.66
  5. Step 5: Solve for x
    x = 11,038,295,818.66/114,917.13
  6. Step 6: Final answer
    x = 96,054.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.