Home / 144,749.93-199,754.75-81,088.17

Finding the Fourth Proportional to 144,749.93, 199,754.75 and 81,088.17

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Solution

The fourth proportional to 144,749.93, 199,754.75 and 81,088.17 is: 111,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,749.93 : 199,754.75 = 81,088.17 : x
  2. Step 2: Convert to fraction form
    144,749.93/199,754.75 = 81,088.17/x
  3. Step 3: Cross multiply
    144,749.93x = 199,754.75 × 81,088.17
  4. Step 4: Simplify right side
    144,749.93x = 16,197,746,720.87
  5. Step 5: Solve for x
    x = 16,197,746,720.87/144,749.93
  6. Step 6: Final answer
    x = 111,901.59

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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.