Home / 147,943.80-221,769.90-73,002.60

Finding the Fourth Proportional to 147,943.80, 221,769.90 and 73,002.60

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Solution

The fourth proportional to 147,943.80, 221,769.90 and 73,002.60 is: 109,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.80 : 221,769.90 = 73,002.60 : x
  2. Step 2: Convert to fraction form
    147,943.80/221,769.90 = 73,002.60/x
  3. Step 3: Cross multiply
    147,943.80x = 221,769.90 × 73,002.60
  4. Step 4: Simplify right side
    147,943.80x = 16,189,779,301.74
  5. Step 5: Solve for x
    x = 16,189,779,301.74/147,943.80
  6. Step 6: Final answer
    x = 109,431.96

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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.