Home / 373,206.04-515,004.96-212,038.72

Finding the Fourth Proportional to 373,206.04, 515,004.96 and 212,038.72

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Solution

The fourth proportional to 373,206.04, 515,004.96 and 212,038.72 is: 292,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,206.04 : 515,004.96 = 212,038.72 : x
  2. Step 2: Convert to fraction form
    373,206.04/515,004.96 = 212,038.72/x
  3. Step 3: Cross multiply
    373,206.04x = 515,004.96 × 212,038.72
  4. Step 4: Simplify right side
    373,206.04x = 109,200,992,512.05
  5. Step 5: Solve for x
    x = 109,200,992,512.05/373,206.04
  6. Step 6: Final answer
    x = 292,602.43

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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.