Home / 207,660.11-286,570.94-112,166.82

Finding the Fourth Proportional to 207,660.11, 286,570.94 and 112,166.82

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Solution

The fourth proportional to 207,660.11, 286,570.94 and 112,166.82 is: 154,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,660.11 : 286,570.94 = 112,166.82 : x
  2. Step 2: Convert to fraction form
    207,660.11/286,570.94 = 112,166.82/x
  3. Step 3: Cross multiply
    207,660.11x = 286,570.94 × 112,166.82
  4. Step 4: Simplify right side
    207,660.11x = 32,143,750,483.38
  5. Step 5: Solve for x
    x = 32,143,750,483.38/207,660.11
  6. Step 6: Final answer
    x = 154,790.21

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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.