Home / 207,940.41-286,957.78-112,447.10

Finding the Fourth Proportional to 207,940.41, 286,957.78 and 112,447.10

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Solution

The fourth proportional to 207,940.41, 286,957.78 and 112,447.10 is: 155,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,940.41 : 286,957.78 = 112,447.10 : x
  2. Step 2: Convert to fraction form
    207,940.41/286,957.78 = 112,447.10/x
  3. Step 3: Cross multiply
    207,940.41x = 286,957.78 × 112,447.10
  4. Step 4: Simplify right side
    207,940.41x = 32,267,571,778.47
  5. Step 5: Solve for x
    x = 32,267,571,778.47/207,940.41
  6. Step 6: Final answer
    x = 155,177.01

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1.5x scale

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.