Home / 181,434.40-272,086.80-63,109.60

Finding the Fourth Proportional to 181,434.40, 272,086.80 and 63,109.60

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Solution

The fourth proportional to 181,434.40, 272,086.80 and 63,109.60 is: 94,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,434.40 : 272,086.80 = 63,109.60 : x
  2. Step 2: Convert to fraction form
    181,434.40/272,086.80 = 63,109.60/x
  3. Step 3: Cross multiply
    181,434.40x = 272,086.80 × 63,109.60
  4. Step 4: Simplify right side
    181,434.40x = 17,171,289,113.28
  5. Step 5: Solve for x
    x = 17,171,289,113.28/181,434.40
  6. Step 6: Final answer
    x = 94,641.86

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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.