Home / 272,637.01-408,320.68-263,178.24

Finding the Fourth Proportional to 272,637.01, 408,320.68 and 263,178.24

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Solution

The fourth proportional to 272,637.01, 408,320.68 and 263,178.24 is: 394,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,637.01 : 408,320.68 = 263,178.24 : x
  2. Step 2: Convert to fraction form
    272,637.01/408,320.68 = 263,178.24/x
  3. Step 3: Cross multiply
    272,637.01x = 408,320.68 × 263,178.24
  4. Step 4: Simplify right side
    272,637.01x = 107,461,117,918.00
  5. Step 5: Solve for x
    x = 107,461,117,918.00/272,637.01
  6. Step 6: Final answer
    x = 394,154.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.