Home / 373,731.92-515,762.08-212,582.84

Finding the Fourth Proportional to 373,731.92, 515,762.08 and 212,582.84

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Solution

The fourth proportional to 373,731.92, 515,762.08 and 212,582.84 is: 293,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,731.92 : 515,762.08 = 212,582.84 : x
  2. Step 2: Convert to fraction form
    373,731.92/515,762.08 = 212,582.84/x
  3. Step 3: Cross multiply
    373,731.92x = 515,762.08 × 212,582.84
  4. Step 4: Simplify right side
    373,731.92x = 109,642,167,730.71
  5. Step 5: Solve for x
    x = 109,642,167,730.71/373,731.92
  6. Step 6: Final answer
    x = 293,371.16

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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.