Home / 180,221.81-248,696.06-99,644.49

Finding the Fourth Proportional to 180,221.81, 248,696.06 and 99,644.49

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Solution

The fourth proportional to 180,221.81, 248,696.06 and 99,644.49 is: 137,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,221.81 : 248,696.06 = 99,644.49 : x
  2. Step 2: Convert to fraction form
    180,221.81/248,696.06 = 99,644.49/x
  3. Step 3: Cross multiply
    180,221.81x = 248,696.06 × 99,644.49
  4. Step 4: Simplify right side
    180,221.81x = 24,781,191,565.49
  5. Step 5: Solve for x
    x = 24,781,191,565.49/180,221.81
  6. Step 6: Final answer
    x = 137,503.85

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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.