Home / 207,887.35-286,884.52-112,394.05

Finding the Fourth Proportional to 207,887.35, 286,884.52 and 112,394.05

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Solution

The fourth proportional to 207,887.35, 286,884.52 and 112,394.05 is: 155,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,887.35 : 286,884.52 = 112,394.05 : x
  2. Step 2: Convert to fraction form
    207,887.35/286,884.52 = 112,394.05/x
  3. Step 3: Cross multiply
    207,887.35x = 286,884.52 × 112,394.05
  4. Step 4: Simplify right side
    207,887.35x = 32,244,112,086.91
  5. Step 5: Solve for x
    x = 32,244,112,086.91/207,887.35
  6. Step 6: Final answer
    x = 155,103.77

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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.