Home / 210,436.50-315,655.56-52,664.52

Finding the Fourth Proportional to 210,436.50, 315,655.56 and 52,664.52

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Solution

The fourth proportional to 210,436.50, 315,655.56 and 52,664.52 is: 78,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,436.50 : 315,655.56 = 52,664.52 : x
  2. Step 2: Convert to fraction form
    210,436.50/315,655.56 = 52,664.52/x
  3. Step 3: Cross multiply
    210,436.50x = 315,655.56 × 52,664.52
  4. Step 4: Simplify right side
    210,436.50x = 16,623,848,552.73
  5. Step 5: Solve for x
    x = 16,623,848,552.73/210,436.50
  6. Step 6: Final answer
    x = 78,996.98

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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.