Home / 207,618.54-286,513.55-112,125.21

Finding the Fourth Proportional to 207,618.54, 286,513.55 and 112,125.21

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Solution

The fourth proportional to 207,618.54, 286,513.55 and 112,125.21 is: 154,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,618.54 : 286,513.55 = 112,125.21 : x
  2. Step 2: Convert to fraction form
    207,618.54/286,513.55 = 112,125.21/x
  3. Step 3: Cross multiply
    207,618.54x = 286,513.55 × 112,125.21
  4. Step 4: Simplify right side
    207,618.54x = 32,125,391,961.60
  5. Step 5: Solve for x
    x = 32,125,391,961.60/207,618.54
  6. Step 6: Final answer
    x = 154,732.77

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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.