Home / 353,561.27-487,925.40-200,605.83

Finding the Fourth Proportional to 353,561.27, 487,925.40 and 200,605.83

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Solution

The fourth proportional to 353,561.27, 487,925.40 and 200,605.83 is: 276,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,561.27 : 487,925.40 = 200,605.83 : x
  2. Step 2: Convert to fraction form
    353,561.27/487,925.40 = 200,605.83/x
  3. Step 3: Cross multiply
    353,561.27x = 487,925.40 × 200,605.83
  4. Step 4: Simplify right side
    353,561.27x = 97,880,678,767.63
  5. Step 5: Solve for x
    x = 97,880,678,767.63/353,561.27
  6. Step 6: Final answer
    x = 276,842.20

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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.