Home / 353,174.43-487,561.02-239,056.16

Finding the Fourth Proportional to 353,174.43, 487,561.02 and 239,056.16

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Solution

The fourth proportional to 353,174.43, 487,561.02 and 239,056.16 is: 330,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,174.43 : 487,561.02 = 239,056.16 : x
  2. Step 2: Convert to fraction form
    353,174.43/487,561.02 = 239,056.16/x
  3. Step 3: Cross multiply
    353,174.43x = 487,561.02 × 239,056.16
  4. Step 4: Simplify right side
    353,174.43x = 116,554,465,206.88
  5. Step 5: Solve for x
    x = 116,554,465,206.88/353,174.43
  6. Step 6: Final answer
    x = 330,019.55

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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.