Home / 147,824.80-221,715.60-42,632.80

Finding the Fourth Proportional to 147,824.80, 221,715.60 and 42,632.80

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Solution

The fourth proportional to 147,824.80, 221,715.60 and 42,632.80 is: 63,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,824.80 : 221,715.60 = 42,632.80 : x
  2. Step 2: Convert to fraction form
    147,824.80/221,715.60 = 42,632.80/x
  3. Step 3: Cross multiply
    147,824.80x = 221,715.60 × 42,632.80
  4. Step 4: Simplify right side
    147,824.80x = 9,452,356,831.68
  5. Step 5: Solve for x
    x = 9,452,356,831.68/147,824.80
  6. Step 6: Final answer
    x = 63,942.97

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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.