Home / 181,216.17-250,085.34-100,649.81

Finding the Fourth Proportional to 181,216.17, 250,085.34 and 100,649.81

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Solution

The fourth proportional to 181,216.17, 250,085.34 and 100,649.81 is: 138,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,216.17 : 250,085.34 = 100,649.81 : x
  2. Step 2: Convert to fraction form
    181,216.17/250,085.34 = 100,649.81/x
  3. Step 3: Cross multiply
    181,216.17x = 250,085.34 × 100,649.81
  4. Step 4: Simplify right side
    181,216.17x = 25,171,042,580.00
  5. Step 5: Solve for x
    x = 25,171,042,580.00/181,216.17
  6. Step 6: Final answer
    x = 138,900.64

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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.