Home / 147,923.82-221,897.07-42,743.70

Finding the Fourth Proportional to 147,923.82, 221,897.07 and 42,743.70

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Solution

The fourth proportional to 147,923.82, 221,897.07 and 42,743.70 is: 64,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,923.82 : 221,897.07 = 42,743.70 : x
  2. Step 2: Convert to fraction form
    147,923.82/221,897.07 = 42,743.70/x
  3. Step 3: Cross multiply
    147,923.82x = 221,897.07 × 42,743.70
  4. Step 4: Simplify right side
    147,923.82x = 9,484,701,790.96
  5. Step 5: Solve for x
    x = 9,484,701,790.96/147,923.82
  6. Step 6: Final answer
    x = 64,118.83

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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.