Home / 207,774.21-286,776.15-127,246.14

Finding the Fourth Proportional to 207,774.21, 286,776.15 and 127,246.14

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Solution

The fourth proportional to 207,774.21, 286,776.15 and 127,246.14 is: 175,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,774.21 : 286,776.15 = 127,246.14 : x
  2. Step 2: Convert to fraction form
    207,774.21/286,776.15 = 127,246.14/x
  3. Step 3: Cross multiply
    207,774.21x = 286,776.15 × 127,246.14
  4. Step 4: Simplify right side
    207,774.21x = 36,491,157,654.39
  5. Step 5: Solve for x
    x = 36,491,157,654.39/207,774.21
  6. Step 6: Final answer
    x = 175,628.91

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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.