Home / 353,262.16-487,358.02-200,267.92

Finding the Fourth Proportional to 353,262.16, 487,358.02 and 200,267.92

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Solution

The fourth proportional to 353,262.16, 487,358.02 and 200,267.92 is: 276,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,262.16 : 487,358.02 = 200,267.92 : x
  2. Step 2: Convert to fraction form
    353,262.16/487,358.02 = 200,267.92/x
  3. Step 3: Cross multiply
    353,262.16x = 487,358.02 × 200,267.92
  4. Step 4: Simplify right side
    353,262.16x = 97,602,176,960.72
  5. Step 5: Solve for x
    x = 97,602,176,960.72/353,262.16
  6. Step 6: Final answer
    x = 276,288.23

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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.