Home / 147,390.37-221,132.27-52,618.48

Finding the Fourth Proportional to 147,390.37, 221,132.27 and 52,618.48

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Solution

The fourth proportional to 147,390.37, 221,132.27 and 52,618.48 is: 78,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,390.37 : 221,132.27 = 52,618.48 : x
  2. Step 2: Convert to fraction form
    147,390.37/221,132.27 = 52,618.48/x
  3. Step 3: Cross multiply
    147,390.37x = 221,132.27 × 52,618.48
  4. Step 4: Simplify right side
    147,390.37x = 11,635,643,505.07
  5. Step 5: Solve for x
    x = 11,635,643,505.07/147,390.37
  6. Step 6: Final answer
    x = 78,944.40

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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.