Home / 302,100.16-453,120.81-91,739.92

Finding the Fourth Proportional to 302,100.16, 453,120.81 and 91,739.92

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Solution

The fourth proportional to 302,100.16, 453,120.81 and 91,739.92 is: 137,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,100.16 : 453,120.81 = 91,739.92 : x
  2. Step 2: Convert to fraction form
    302,100.16/453,120.81 = 91,739.92/x
  3. Step 3: Cross multiply
    302,100.16x = 453,120.81 × 91,739.92
  4. Step 4: Simplify right side
    302,100.16x = 41,569,266,859.74
  5. Step 5: Solve for x
    x = 41,569,266,859.74/302,100.16
  6. Step 6: Final answer
    x = 137,600.94

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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.