Home / 229,725.18-316,974.27-134,213.40

Finding the Fourth Proportional to 229,725.18, 316,974.27 and 134,213.40

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Solution

The fourth proportional to 229,725.18, 316,974.27 and 134,213.40 is: 185,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,725.18 : 316,974.27 = 134,213.40 : x
  2. Step 2: Convert to fraction form
    229,725.18/316,974.27 = 134,213.40/x
  3. Step 3: Cross multiply
    229,725.18x = 316,974.27 × 134,213.40
  4. Step 4: Simplify right side
    229,725.18x = 42,542,194,489.22
  5. Step 5: Solve for x
    x = 42,542,194,489.22/229,725.18
  6. Step 6: Final answer
    x = 185,187.34

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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.