Home / 207,293.12-311,038.02-88,998.20

Finding the Fourth Proportional to 207,293.12, 311,038.02 and 88,998.20

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Solution

The fourth proportional to 207,293.12, 311,038.02 and 88,998.20 is: 133,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,293.12 : 311,038.02 = 88,998.20 : x
  2. Step 2: Convert to fraction form
    207,293.12/311,038.02 = 88,998.20/x
  3. Step 3: Cross multiply
    207,293.12x = 311,038.02 × 88,998.20
  4. Step 4: Simplify right side
    207,293.12x = 27,681,823,911.56
  5. Step 5: Solve for x
    x = 27,681,823,911.56/207,293.12
  6. Step 6: Final answer
    x = 133,539.52

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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.