Home / 207,899.39-286,901.10-117,255.17

Finding the Fourth Proportional to 207,899.39, 286,901.10 and 117,255.17

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Solution

The fourth proportional to 207,899.39, 286,901.10 and 117,255.17 is: 161,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,899.39 : 286,901.10 = 117,255.17 : x
  2. Step 2: Convert to fraction form
    207,899.39/286,901.10 = 117,255.17/x
  3. Step 3: Cross multiply
    207,899.39x = 286,901.10 × 117,255.17
  4. Step 4: Simplify right side
    207,899.39x = 33,640,637,328.92
  5. Step 5: Solve for x
    x = 33,640,637,328.92/207,899.39
  6. Step 6: Final answer
    x = 161,812.10

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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.