Home / 207,608.54-286,499.77-112,115.23

Finding the Fourth Proportional to 207,608.54, 286,499.77 and 112,115.23

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Solution

The fourth proportional to 207,608.54, 286,499.77 and 112,115.23 is: 154,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,608.54 : 286,499.77 = 112,115.23 : x
  2. Step 2: Convert to fraction form
    207,608.54/286,499.77 = 112,115.23/x
  3. Step 3: Cross multiply
    207,608.54x = 286,499.77 × 112,115.23
  4. Step 4: Simplify right side
    207,608.54x = 32,120,986,611.96
  5. Step 5: Solve for x
    x = 32,120,986,611.96/207,608.54
  6. Step 6: Final answer
    x = 154,719.01

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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.