Home / 147,533.66-221,187.06-76,380.02

Finding the Fourth Proportional to 147,533.66, 221,187.06 and 76,380.02

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Solution

The fourth proportional to 147,533.66, 221,187.06 and 76,380.02 is: 114,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,533.66 : 221,187.06 = 76,380.02 : x
  2. Step 2: Convert to fraction form
    147,533.66/221,187.06 = 76,380.02/x
  3. Step 3: Cross multiply
    147,533.66x = 221,187.06 × 76,380.02
  4. Step 4: Simplify right side
    147,533.66x = 16,894,272,066.54
  5. Step 5: Solve for x
    x = 16,894,272,066.54/147,533.66
  6. Step 6: Final answer
    x = 114,511.31

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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.