Home / 207,719.53-286,653.10-112,226.20

Finding the Fourth Proportional to 207,719.53, 286,653.10 and 112,226.20

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Solution

The fourth proportional to 207,719.53, 286,653.10 and 112,226.20 is: 154,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,719.53 : 286,653.10 = 112,226.20 : x
  2. Step 2: Convert to fraction form
    207,719.53/286,653.10 = 112,226.20/x
  3. Step 3: Cross multiply
    207,719.53x = 286,653.10 × 112,226.20
  4. Step 4: Simplify right side
    207,719.53x = 32,169,987,134.02
  5. Step 5: Solve for x
    x = 32,169,987,134.02/207,719.53
  6. Step 6: Final answer
    x = 154,872.23

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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.