Home / 150,030.70-225,068.40-55,253.62

Finding the Fourth Proportional to 150,030.70, 225,068.40 and 55,253.62

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Solution

The fourth proportional to 150,030.70, 225,068.40 and 55,253.62 is: 82,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,030.70 : 225,068.40 = 55,253.62 : x
  2. Step 2: Convert to fraction form
    150,030.70/225,068.40 = 55,253.62/x
  3. Step 3: Cross multiply
    150,030.70x = 225,068.40 × 55,253.62
  4. Step 4: Simplify right side
    150,030.70x = 12,435,843,847.61
  5. Step 5: Solve for x
    x = 12,435,843,847.61/150,030.70
  6. Step 6: Final answer
    x = 82,888.66

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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.