Home / 118,187.51-177,314.06-65,633.90

Finding the Fourth Proportional to 118,187.51, 177,314.06 and 65,633.90

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Solution

The fourth proportional to 118,187.51, 177,314.06 and 65,633.90 is: 98,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187.51 : 177,314.06 = 65,633.90 : x
  2. Step 2: Convert to fraction form
    118,187.51/177,314.06 = 65,633.90/x
  3. Step 3: Cross multiply
    118,187.51x = 177,314.06 × 65,633.90
  4. Step 4: Simplify right side
    118,187.51x = 11,637,812,560.15
  5. Step 5: Solve for x
    x = 11,637,812,560.15/118,187.51
  6. Step 6: Final answer
    x = 98,469.06

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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.