Home / 152,280.82-228,436.53-52,427.80

Finding the Fourth Proportional to 152,280.82, 228,436.53 and 52,427.80

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Solution

The fourth proportional to 152,280.82, 228,436.53 and 52,427.80 is: 78,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,280.82 : 228,436.53 = 52,427.80 : x
  2. Step 2: Convert to fraction form
    152,280.82/228,436.53 = 52,427.80/x
  3. Step 3: Cross multiply
    152,280.82x = 228,436.53 × 52,427.80
  4. Step 4: Simplify right side
    152,280.82x = 11,976,424,707.53
  5. Step 5: Solve for x
    x = 11,976,424,707.53/152,280.82
  6. Step 6: Final answer
    x = 78,646.97

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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.