Home / 353,218.71-487,426.98-200,267.19

Finding the Fourth Proportional to 353,218.71, 487,426.98 and 200,267.19

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Solution

The fourth proportional to 353,218.71, 487,426.98 and 200,267.19 is: 276,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,218.71 : 487,426.98 = 200,267.19 : x
  2. Step 2: Convert to fraction form
    353,218.71/487,426.98 = 200,267.19/x
  3. Step 3: Cross multiply
    353,218.71x = 487,426.98 × 200,267.19
  4. Step 4: Simplify right side
    353,218.71x = 97,615,631,614.79
  5. Step 5: Solve for x
    x = 97,615,631,614.79/353,218.71
  6. Step 6: Final answer
    x = 276,360.31

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1.5x scale

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.