Home / 356,112.11-534,220.79-103,359.84

Finding the Fourth Proportional to 356,112.11, 534,220.79 and 103,359.84

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Solution

The fourth proportional to 356,112.11, 534,220.79 and 103,359.84 is: 155,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,112.11 : 534,220.79 = 103,359.84 : x
  2. Step 2: Convert to fraction form
    356,112.11/534,220.79 = 103,359.84/x
  3. Step 3: Cross multiply
    356,112.11x = 534,220.79 × 103,359.84
  4. Step 4: Simplify right side
    356,112.11x = 55,216,975,379.07
  5. Step 5: Solve for x
    x = 55,216,975,379.07/356,112.11
  6. Step 6: Final answer
    x = 155,055.03

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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.