Home / 275,587.22-380,281.02-154,741.70

Finding the Fourth Proportional to 275,587.22, 380,281.02 and 154,741.70

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Solution

The fourth proportional to 275,587.22, 380,281.02 and 154,741.70 is: 213,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,587.22 : 380,281.02 = 154,741.70 : x
  2. Step 2: Convert to fraction form
    275,587.22/380,281.02 = 154,741.70/x
  3. Step 3: Cross multiply
    275,587.22x = 380,281.02 × 154,741.70
  4. Step 4: Simplify right side
    275,587.22x = 58,845,331,512.53
  5. Step 5: Solve for x
    x = 58,845,331,512.53/275,587.22
  6. Step 6: Final answer
    x = 213,527.07

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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.