Home / 147,810.38-221,658.32-47,946.56

Finding the Fourth Proportional to 147,810.38, 221,658.32 and 47,946.56

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Solution

The fourth proportional to 147,810.38, 221,658.32 and 47,946.56 is: 71,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,810.38 : 221,658.32 = 47,946.56 : x
  2. Step 2: Convert to fraction form
    147,810.38/221,658.32 = 47,946.56/x
  3. Step 3: Cross multiply
    147,810.38x = 221,658.32 × 47,946.56
  4. Step 4: Simplify right side
    147,810.38x = 10,627,753,939.38
  5. Step 5: Solve for x
    x = 10,627,753,939.38/147,810.38
  6. Step 6: Final answer
    x = 71,901.27

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1.5x scale

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.