Home / 207,884.46-286,880.56-112,391.16

Finding the Fourth Proportional to 207,884.46, 286,880.56 and 112,391.16

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Solution

The fourth proportional to 207,884.46, 286,880.56 and 112,391.16 is: 155,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,884.46 : 286,880.56 = 112,391.16 : x
  2. Step 2: Convert to fraction form
    207,884.46/286,880.56 = 112,391.16/x
  3. Step 3: Cross multiply
    207,884.46x = 286,880.56 × 112,391.16
  4. Step 4: Simplify right side
    207,884.46x = 32,242,838,919.85
  5. Step 5: Solve for x
    x = 32,242,838,919.85/207,884.46
  6. Step 6: Final answer
    x = 155,099.80

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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.