Home / 374,345.85-516,597.33-213,215.90

Finding the Fourth Proportional to 374,345.85, 516,597.33 and 213,215.90

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Solution

The fourth proportional to 374,345.85, 516,597.33 and 213,215.90 is: 294,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,345.85 : 516,597.33 = 213,215.90 : x
  2. Step 2: Convert to fraction form
    374,345.85/516,597.33 = 213,215.90/x
  3. Step 3: Cross multiply
    374,345.85x = 516,597.33 × 213,215.90
  4. Step 4: Simplify right side
    374,345.85x = 110,146,762,070.56
  5. Step 5: Solve for x
    x = 110,146,762,070.56/374,345.85
  6. Step 6: Final answer
    x = 294,237.97

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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.