Home / 160,136.32-240,146.88-54,928

Finding the Fourth Proportional to 160,136.32, 240,146.88 and 54,928

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Solution

The fourth proportional to 160,136.32, 240,146.88 and 54,928 is: 82,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,136.32 : 240,146.88 = 54,928 : x
  2. Step 2: Convert to fraction form
    160,136.32/240,146.88 = 54,928/x
  3. Step 3: Cross multiply
    160,136.32x = 240,146.88 × 54,928
  4. Step 4: Simplify right side
    160,136.32x = 13,190,787,824.64
  5. Step 5: Solve for x
    x = 13,190,787,824.64/160,136.32
  6. Step 6: Final answer
    x = 82,372.24

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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.