Home / 137,041.70-205,534.30-52,772.94

Finding the Fourth Proportional to 137,041.70, 205,534.30 and 52,772.94

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Solution

The fourth proportional to 137,041.70, 205,534.30 and 52,772.94 is: 79,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,041.70 : 205,534.30 = 52,772.94 : x
  2. Step 2: Convert to fraction form
    137,041.70/205,534.30 = 52,772.94/x
  3. Step 3: Cross multiply
    137,041.70x = 205,534.30 × 52,772.94
  4. Step 4: Simplify right side
    137,041.70x = 10,846,649,281.84
  5. Step 5: Solve for x
    x = 10,846,649,281.84/137,041.70
  6. Step 6: Final answer
    x = 79,148.53

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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.