Home / 373,205.04-515,003.58-212,037.72

Finding the Fourth Proportional to 373,205.04, 515,003.58 and 212,037.72

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Solution

The fourth proportional to 373,205.04, 515,003.58 and 212,037.72 is: 292,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,205.04 : 515,003.58 = 212,037.72 : x
  2. Step 2: Convert to fraction form
    373,205.04/515,003.58 = 212,037.72/x
  3. Step 3: Cross multiply
    373,205.04x = 515,003.58 × 212,037.72
  4. Step 4: Simplify right side
    373,205.04x = 109,200,184,895.04
  5. Step 5: Solve for x
    x = 109,200,184,895.04/373,205.04
  6. Step 6: Final answer
    x = 292,601.05

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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.