Home / 146,742.72-220,112.64-46,901.76

Finding the Fourth Proportional to 146,742.72, 220,112.64 and 46,901.76

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Solution

The fourth proportional to 146,742.72, 220,112.64 and 46,901.76 is: 70,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,742.72 : 220,112.64 = 46,901.76 : x
  2. Step 2: Convert to fraction form
    146,742.72/220,112.64 = 46,901.76/x
  3. Step 3: Cross multiply
    146,742.72x = 220,112.64 × 46,901.76
  4. Step 4: Simplify right side
    146,742.72x = 10,323,670,214.25
  5. Step 5: Solve for x
    x = 10,323,670,214.25/146,742.72
  6. Step 6: Final answer
    x = 70,352.18

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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.