Home / 207,618.16-286,513.04-112,124.84

Finding the Fourth Proportional to 207,618.16, 286,513.04 and 112,124.84

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Solution

The fourth proportional to 207,618.16, 286,513.04 and 112,124.84 is: 154,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,618.16 : 286,513.04 = 112,124.84 : x
  2. Step 2: Convert to fraction form
    207,618.16/286,513.04 = 112,124.84/x
  3. Step 3: Cross multiply
    207,618.16x = 286,513.04 × 112,124.84
  4. Step 4: Simplify right side
    207,618.16x = 32,125,228,767.91
  5. Step 5: Solve for x
    x = 32,125,228,767.91/207,618.16
  6. Step 6: Final answer
    x = 154,732.27

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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.