Home / 147,091.18-220,592.79-53,575.06

Finding the Fourth Proportional to 147,091.18, 220,592.79 and 53,575.06

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Solution

The fourth proportional to 147,091.18, 220,592.79 and 53,575.06 is: 80,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,091.18 : 220,592.79 = 53,575.06 : x
  2. Step 2: Convert to fraction form
    147,091.18/220,592.79 = 53,575.06/x
  3. Step 3: Cross multiply
    147,091.18x = 220,592.79 × 53,575.06
  4. Step 4: Simplify right side
    147,091.18x = 11,818,271,959.82
  5. Step 5: Solve for x
    x = 11,818,271,959.82/147,091.18
  6. Step 6: Final answer
    x = 80,346.57

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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.