Home / 373,600.04-515,565.43-212,455.05

Finding the Fourth Proportional to 373,600.04, 515,565.43 and 212,455.05

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Solution

The fourth proportional to 373,600.04, 515,565.43 and 212,455.05 is: 293,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,600.04 : 515,565.43 = 212,455.05 : x
  2. Step 2: Convert to fraction form
    373,600.04/515,565.43 = 212,455.05/x
  3. Step 3: Cross multiply
    373,600.04x = 515,565.43 × 212,455.05
  4. Step 4: Simplify right side
    373,600.04x = 109,534,478,677.78
  5. Step 5: Solve for x
    x = 109,534,478,677.78/373,600.04
  6. Step 6: Final answer
    x = 293,186.47

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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.