Home / 374,024.47-516,173.70-212,931.42

Finding the Fourth Proportional to 374,024.47, 516,173.70 and 212,931.42

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Solution

The fourth proportional to 374,024.47, 516,173.70 and 212,931.42 is: 293,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,024.47 : 516,173.70 = 212,931.42 : x
  2. Step 2: Convert to fraction form
    374,024.47/516,173.70 = 212,931.42/x
  3. Step 3: Cross multiply
    374,024.47x = 516,173.70 × 212,931.42
  4. Step 4: Simplify right side
    374,024.47x = 109,909,598,907.65
  5. Step 5: Solve for x
    x = 109,909,598,907.65/374,024.47
  6. Step 6: Final answer
    x = 293,856.71

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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.