Home / 229,400.48-316,561.96-127,432.56

Finding the Fourth Proportional to 229,400.48, 316,561.96 and 127,432.56

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Solution

The fourth proportional to 229,400.48, 316,561.96 and 127,432.56 is: 175,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,400.48 : 316,561.96 = 127,432.56 : x
  2. Step 2: Convert to fraction form
    229,400.48/316,561.96 = 127,432.56/x
  3. Step 3: Cross multiply
    229,400.48x = 316,561.96 × 127,432.56
  4. Step 4: Simplify right side
    229,400.48x = 40,340,300,961.42
  5. Step 5: Solve for x
    x = 40,340,300,961.42/229,400.48
  6. Step 6: Final answer
    x = 175,850.99

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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.