Home / 373,278.68-515,102.37-212,111.36

Finding the Fourth Proportional to 373,278.68, 515,102.37 and 212,111.36

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Solution

The fourth proportional to 373,278.68, 515,102.37 and 212,111.36 is: 292,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,278.68 : 515,102.37 = 212,111.36 : x
  2. Step 2: Convert to fraction form
    373,278.68/515,102.37 = 212,111.36/x
  3. Step 3: Cross multiply
    373,278.68x = 515,102.37 × 212,111.36
  4. Step 4: Simplify right side
    373,278.68x = 109,259,064,239.92
  5. Step 5: Solve for x
    x = 109,259,064,239.92/373,278.68
  6. Step 6: Final answer
    x = 292,701.06

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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.