Home / 207,969.17-286,997.45-112,475.86

Finding the Fourth Proportional to 207,969.17, 286,997.45 and 112,475.86

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Solution

The fourth proportional to 207,969.17, 286,997.45 and 112,475.86 is: 155,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,969.17 : 286,997.45 = 112,475.86 : x
  2. Step 2: Convert to fraction form
    207,969.17/286,997.45 = 112,475.86/x
  3. Step 3: Cross multiply
    207,969.17x = 286,997.45 × 112,475.86
  4. Step 4: Simplify right side
    207,969.17x = 32,280,285,724.05
  5. Step 5: Solve for x
    x = 32,280,285,724.05/207,969.17
  6. Step 6: Final answer
    x = 155,216.69

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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.