Home / 207,838.53-286,792.80-117,189.10

Finding the Fourth Proportional to 207,838.53, 286,792.80 and 117,189.10

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Solution

The fourth proportional to 207,838.53, 286,792.80 and 117,189.10 is: 161,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,838.53 : 286,792.80 = 117,189.10 : x
  2. Step 2: Convert to fraction form
    207,838.53/286,792.80 = 117,189.10/x
  3. Step 3: Cross multiply
    207,838.53x = 286,792.80 × 117,189.10
  4. Step 4: Simplify right side
    207,838.53x = 33,608,989,694.47
  5. Step 5: Solve for x
    x = 33,608,989,694.47/207,838.53
  6. Step 6: Final answer
    x = 161,707.21

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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.