Home / 373,268.74-515,110.84-212,124.10

Finding the Fourth Proportional to 373,268.74, 515,110.84 and 212,124.10

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Solution

The fourth proportional to 373,268.74, 515,110.84 and 212,124.10 is: 292,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,268.74 : 515,110.84 = 212,124.10 : x
  2. Step 2: Convert to fraction form
    373,268.74/515,110.84 = 212,124.10/x
  3. Step 3: Cross multiply
    373,268.74x = 515,110.84 × 212,124.10
  4. Step 4: Simplify right side
    373,268.74x = 109,267,423,335.24
  5. Step 5: Solve for x
    x = 109,267,423,335.24/373,268.74
  6. Step 6: Final answer
    x = 292,731.25

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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.