Home / 146,726.70-220,090.05-136,812.30

Finding the Fourth Proportional to 146,726.70, 220,090.05 and 136,812.30

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Solution

The fourth proportional to 146,726.70, 220,090.05 and 136,812.30 is: 205,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.70 : 220,090.05 = 136,812.30 : x
  2. Step 2: Convert to fraction form
    146,726.70/220,090.05 = 136,812.30/x
  3. Step 3: Cross multiply
    146,726.70x = 220,090.05 × 136,812.30
  4. Step 4: Simplify right side
    146,726.70x = 30,111,025,947.62
  5. Step 5: Solve for x
    x = 30,111,025,947.62/146,726.70
  6. Step 6: Final answer
    x = 205,218.45

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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.