Home / 373,200.75-515,017.17-212,056.02

Finding the Fourth Proportional to 373,200.75, 515,017.17 and 212,056.02

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Solution

The fourth proportional to 373,200.75, 515,017.17 and 212,056.02 is: 292,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,200.75 : 515,017.17 = 212,056.02 : x
  2. Step 2: Convert to fraction form
    373,200.75/515,017.17 = 212,056.02/x
  3. Step 3: Cross multiply
    373,200.75x = 515,017.17 × 212,056.02
  4. Step 4: Simplify right side
    373,200.75x = 109,212,491,301.86
  5. Step 5: Solve for x
    x = 109,212,491,301.86/373,200.75
  6. Step 6: Final answer
    x = 292,637.38

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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.