Home / 207,511.83-311,547.59-132,777.86

Finding the Fourth Proportional to 207,511.83, 311,547.59 and 132,777.86

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Solution

The fourth proportional to 207,511.83, 311,547.59 and 132,777.86 is: 199,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,511.83 : 311,547.59 = 132,777.86 : x
  2. Step 2: Convert to fraction form
    207,511.83/311,547.59 = 132,777.86/x
  3. Step 3: Cross multiply
    207,511.83x = 311,547.59 × 132,777.86
  4. Step 4: Simplify right side
    207,511.83x = 41,366,622,288.36
  5. Step 5: Solve for x
    x = 41,366,622,288.36/207,511.83
  6. Step 6: Final answer
    x = 199,345.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.