Home / 207,618.03-286,512.90-112,124.70

Finding the Fourth Proportional to 207,618.03, 286,512.90 and 112,124.70

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Solution

The fourth proportional to 207,618.03, 286,512.90 and 112,124.70 is: 154,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,618.03 : 286,512.90 = 112,124.70 : x
  2. Step 2: Convert to fraction form
    207,618.03/286,512.90 = 112,124.70/x
  3. Step 3: Cross multiply
    207,618.03x = 286,512.90 × 112,124.70
  4. Step 4: Simplify right side
    207,618.03x = 32,125,172,958.63
  5. Step 5: Solve for x
    x = 32,125,172,958.63/207,618.03
  6. Step 6: Final answer
    x = 154,732.10

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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.