Home / 180,221.90-248,696.19-99,644.58

Finding the Fourth Proportional to 180,221.90, 248,696.19 and 99,644.58

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Solution

The fourth proportional to 180,221.90, 248,696.19 and 99,644.58 is: 137,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,221.90 : 248,696.19 = 99,644.58 : x
  2. Step 2: Convert to fraction form
    180,221.90/248,696.19 = 99,644.58/x
  3. Step 3: Cross multiply
    180,221.90x = 248,696.19 × 99,644.58
  4. Step 4: Simplify right side
    180,221.90x = 24,781,227,400.15
  5. Step 5: Solve for x
    x = 24,781,227,400.15/180,221.90
  6. Step 6: Final answer
    x = 137,503.98

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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.