Home / 181,331.30-250,232.23-100,756.76

Finding the Fourth Proportional to 181,331.30, 250,232.23 and 100,756.76

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Solution

The fourth proportional to 181,331.30, 250,232.23 and 100,756.76 is: 139,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,331.30 : 250,232.23 = 100,756.76 : x
  2. Step 2: Convert to fraction form
    181,331.30/250,232.23 = 100,756.76/x
  3. Step 3: Cross multiply
    181,331.30x = 250,232.23 × 100,756.76
  4. Step 4: Simplify right side
    181,331.30x = 25,212,587,050.40
  5. Step 5: Solve for x
    x = 25,212,587,050.40/181,331.30
  6. Step 6: Final answer
    x = 139,041.56

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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.