Home / 146,802.80-220,204.20-99,563.60

Finding the Fourth Proportional to 146,802.80, 220,204.20 and 99,563.60

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Solution

The fourth proportional to 146,802.80, 220,204.20 and 99,563.60 is: 149,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,802.80 : 220,204.20 = 99,563.60 : x
  2. Step 2: Convert to fraction form
    146,802.80/220,204.20 = 99,563.60/x
  3. Step 3: Cross multiply
    146,802.80x = 220,204.20 × 99,563.60
  4. Step 4: Simplify right side
    146,802.80x = 21,924,322,887.12
  5. Step 5: Solve for x
    x = 21,924,322,887.12/146,802.80
  6. Step 6: Final answer
    x = 149,345.40

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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.