Home / 302,784.16-454,265.05-89,557.69

Finding the Fourth Proportional to 302,784.16, 454,265.05 and 89,557.69

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Solution

The fourth proportional to 302,784.16, 454,265.05 and 89,557.69 is: 134,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,784.16 : 454,265.05 = 89,557.69 : x
  2. Step 2: Convert to fraction form
    302,784.16/454,265.05 = 89,557.69/x
  3. Step 3: Cross multiply
    302,784.16x = 454,265.05 × 89,557.69
  4. Step 4: Simplify right side
    302,784.16x = 40,682,928,525.73
  5. Step 5: Solve for x
    x = 40,682,928,525.73/302,784.16
  6. Step 6: Final answer
    x = 134,362.81

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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.