Home / 268,453.16-370,466.10-147,606.80

Finding the Fourth Proportional to 268,453.16, 370,466.10 and 147,606.80

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Solution

The fourth proportional to 268,453.16, 370,466.10 and 147,606.80 is: 203,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,453.16 : 370,466.10 = 147,606.80 : x
  2. Step 2: Convert to fraction form
    268,453.16/370,466.10 = 147,606.80/x
  3. Step 3: Cross multiply
    268,453.16x = 370,466.10 × 147,606.80
  4. Step 4: Simplify right side
    268,453.16x = 54,683,315,529.48
  5. Step 5: Solve for x
    x = 54,683,315,529.48/268,453.16
  6. Step 6: Final answer
    x = 203,697.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.