Home / 147,999.52-221,974.53-53,210.38

Finding the Fourth Proportional to 147,999.52, 221,974.53 and 53,210.38

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Solution

The fourth proportional to 147,999.52, 221,974.53 and 53,210.38 is: 79,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.52 : 221,974.53 = 53,210.38 : x
  2. Step 2: Convert to fraction form
    147,999.52/221,974.53 = 53,210.38/x
  3. Step 3: Cross multiply
    147,999.52x = 221,974.53 × 53,210.38
  4. Step 4: Simplify right side
    147,999.52x = 11,811,349,091.62
  5. Step 5: Solve for x
    x = 11,811,349,091.62/147,999.52
  6. Step 6: Final answer
    x = 79,806.67

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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.