Home / 405,134.16-559,082.86-223,846.13

Finding the Fourth Proportional to 405,134.16, 559,082.86 and 223,846.13

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Solution

The fourth proportional to 405,134.16, 559,082.86 and 223,846.13 is: 308,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,134.16 : 559,082.86 = 223,846.13 : x
  2. Step 2: Convert to fraction form
    405,134.16/559,082.86 = 223,846.13/x
  3. Step 3: Cross multiply
    405,134.16x = 559,082.86 × 223,846.13
  4. Step 4: Simplify right side
    405,134.16x = 125,148,535,398.42
  5. Step 5: Solve for x
    x = 125,148,535,398.42/405,134.16
  6. Step 6: Final answer
    x = 308,906.40

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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.