Home / 373,293.22-515,155.90-203,530.18

Finding the Fourth Proportional to 373,293.22, 515,155.90 and 203,530.18

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Solution

The fourth proportional to 373,293.22, 515,155.90 and 203,530.18 is: 280,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,293.22 : 515,155.90 = 203,530.18 : x
  2. Step 2: Convert to fraction form
    373,293.22/515,155.90 = 203,530.18/x
  3. Step 3: Cross multiply
    373,293.22x = 515,155.90 × 203,530.18
  4. Step 4: Simplify right side
    373,293.22x = 104,849,773,055.06
  5. Step 5: Solve for x
    x = 104,849,773,055.06/373,293.22
  6. Step 6: Final answer
    x = 280,877.79

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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.