Home / 181,400.02-272,102.78-69,086.46

Finding the Fourth Proportional to 181,400.02, 272,102.78 and 69,086.46

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Solution

The fourth proportional to 181,400.02, 272,102.78 and 69,086.46 is: 103,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,400.02 : 272,102.78 = 69,086.46 : x
  2. Step 2: Convert to fraction form
    181,400.02/272,102.78 = 69,086.46/x
  3. Step 3: Cross multiply
    181,400.02x = 272,102.78 × 69,086.46
  4. Step 4: Simplify right side
    181,400.02x = 18,798,617,826.36
  5. Step 5: Solve for x
    x = 18,798,617,826.36/181,400.02
  6. Step 6: Final answer
    x = 103,630.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.