Home / 229,454.55-316,640.70-131,340.24

Finding the Fourth Proportional to 229,454.55, 316,640.70 and 131,340.24

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Solution

The fourth proportional to 229,454.55, 316,640.70 and 131,340.24 is: 181,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,454.55 : 316,640.70 = 131,340.24 : x
  2. Step 2: Convert to fraction form
    229,454.55/316,640.70 = 131,340.24/x
  3. Step 3: Cross multiply
    229,454.55x = 316,640.70 × 131,340.24
  4. Step 4: Simplify right side
    229,454.55x = 41,587,665,531.77
  5. Step 5: Solve for x
    x = 41,587,665,531.77/229,454.55
  6. Step 6: Final answer
    x = 181,245.77

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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.