Home / 147,215.45-220,855.76-53,720.93

Finding the Fourth Proportional to 147,215.45, 220,855.76 and 53,720.93

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Solution

The fourth proportional to 147,215.45, 220,855.76 and 53,720.93 is: 80,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,215.45 : 220,855.76 = 53,720.93 : x
  2. Step 2: Convert to fraction form
    147,215.45/220,855.76 = 53,720.93/x
  3. Step 3: Cross multiply
    147,215.45x = 220,855.76 × 53,720.93
  4. Step 4: Simplify right side
    147,215.45x = 11,864,576,823.06
  5. Step 5: Solve for x
    x = 11,864,576,823.06/147,215.45
  6. Step 6: Final answer
    x = 80,593.29

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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.