Home / 181,351.23-250,259.71-100,776.69

Finding the Fourth Proportional to 181,351.23, 250,259.71 and 100,776.69

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Solution

The fourth proportional to 181,351.23, 250,259.71 and 100,776.69 is: 139,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,351.23 : 250,259.71 = 100,776.69 : x
  2. Step 2: Convert to fraction form
    181,351.23/250,259.71 = 100,776.69/x
  3. Step 3: Cross multiply
    181,351.23x = 250,259.71 × 100,776.69
  4. Step 4: Simplify right side
    181,351.23x = 25,220,343,458.98
  5. Step 5: Solve for x
    x = 25,220,343,458.98/181,351.23
  6. Step 6: Final answer
    x = 139,069.05

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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.