Home / 374,345.10-516,596.30-213,215.15

Finding the Fourth Proportional to 374,345.10, 516,596.30 and 213,215.15

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Solution

The fourth proportional to 374,345.10, 516,596.30 and 213,215.15 is: 294,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,345.10 : 516,596.30 = 213,215.15 : x
  2. Step 2: Convert to fraction form
    374,345.10/516,596.30 = 213,215.15/x
  3. Step 3: Cross multiply
    374,345.10x = 516,596.30 × 213,215.15
  4. Step 4: Simplify right side
    374,345.10x = 110,146,153,944.89
  5. Step 5: Solve for x
    x = 110,146,153,944.89/374,345.10
  6. Step 6: Final answer
    x = 294,236.93

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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.