Home / 151,997.41-209,774.19-126,458.72

Finding the Fourth Proportional to 151,997.41, 209,774.19 and 126,458.72

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Solution

The fourth proportional to 151,997.41, 209,774.19 and 126,458.72 is: 174,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,997.41 : 209,774.19 = 126,458.72 : x
  2. Step 2: Convert to fraction form
    151,997.41/209,774.19 = 126,458.72/x
  3. Step 3: Cross multiply
    151,997.41x = 209,774.19 × 126,458.72
  4. Step 4: Simplify right side
    151,997.41x = 26,527,773,875.27
  5. Step 5: Solve for x
    x = 26,527,773,875.27/151,997.41
  6. Step 6: Final answer
    x = 174,527.81

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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.