Home / 147,209.58-220,855.05-52,461.45

Finding the Fourth Proportional to 147,209.58, 220,855.05 and 52,461.45

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Solution

The fourth proportional to 147,209.58, 220,855.05 and 52,461.45 is: 78,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,209.58 : 220,855.05 = 52,461.45 : x
  2. Step 2: Convert to fraction form
    147,209.58/220,855.05 = 52,461.45/x
  3. Step 3: Cross multiply
    147,209.58x = 220,855.05 × 52,461.45
  4. Step 4: Simplify right side
    147,209.58x = 11,586,376,162.82
  5. Step 5: Solve for x
    x = 11,586,376,162.82/147,209.58
  6. Step 6: Final answer
    x = 78,706.67

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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.