Home / 147,483.70-221,250.66-47,631.76

Finding the Fourth Proportional to 147,483.70, 221,250.66 and 47,631.76

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Solution

The fourth proportional to 147,483.70, 221,250.66 and 47,631.76 is: 71,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,483.70 : 221,250.66 = 47,631.76 : x
  2. Step 2: Convert to fraction form
    147,483.70/221,250.66 = 47,631.76/x
  3. Step 3: Cross multiply
    147,483.70x = 221,250.66 × 47,631.76
  4. Step 4: Simplify right side
    147,483.70x = 10,538,558,336.96
  5. Step 5: Solve for x
    x = 10,538,558,336.96/147,483.70
  6. Step 6: Final answer
    x = 71,455.75

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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.