Home / 373,669.20-515,674.80-212,547.24

Finding the Fourth Proportional to 373,669.20, 515,674.80 and 212,547.24

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Solution

The fourth proportional to 373,669.20, 515,674.80 and 212,547.24 is: 293,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,669.20 : 515,674.80 = 212,547.24 : x
  2. Step 2: Convert to fraction form
    373,669.20/515,674.80 = 212,547.24/x
  3. Step 3: Cross multiply
    373,669.20x = 515,674.80 × 212,547.24
  4. Step 4: Simplify right side
    373,669.20x = 109,605,255,477.55
  5. Step 5: Solve for x
    x = 109,605,255,477.55/373,669.20
  6. Step 6: Final answer
    x = 293,321.62

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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.