Home / 207,678.28-286,596.06-112,185.04

Finding the Fourth Proportional to 207,678.28, 286,596.06 and 112,185.04

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Solution

The fourth proportional to 207,678.28, 286,596.06 and 112,185.04 is: 154,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,678.28 : 286,596.06 = 112,185.04 : x
  2. Step 2: Convert to fraction form
    207,678.28/286,596.06 = 112,185.04/x
  3. Step 3: Cross multiply
    207,678.28x = 286,596.06 × 112,185.04
  4. Step 4: Simplify right side
    207,678.28x = 32,151,790,454.94
  5. Step 5: Solve for x
    x = 32,151,790,454.94/207,678.28
  6. Step 6: Final answer
    x = 154,815.37

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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.