Home / 356,322.06-534,433.68-90,066.42

Finding the Fourth Proportional to 356,322.06, 534,433.68 and 90,066.42

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Solution

The fourth proportional to 356,322.06, 534,433.68 and 90,066.42 is: 135,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,322.06 : 534,433.68 = 90,066.42 : x
  2. Step 2: Convert to fraction form
    356,322.06/534,433.68 = 90,066.42/x
  3. Step 3: Cross multiply
    356,322.06x = 534,433.68 × 90,066.42
  4. Step 4: Simplify right side
    356,322.06x = 48,134,528,285.03
  5. Step 5: Solve for x
    x = 48,134,528,285.03/356,322.06
  6. Step 6: Final answer
    x = 135,087.14

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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.