Home / 146,463.93-202,107.64-85,221.45

Finding the Fourth Proportional to 146,463.93, 202,107.64 and 85,221.45

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Solution

The fourth proportional to 146,463.93, 202,107.64 and 85,221.45 is: 117,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,463.93 : 202,107.64 = 85,221.45 : x
  2. Step 2: Convert to fraction form
    146,463.93/202,107.64 = 85,221.45/x
  3. Step 3: Cross multiply
    146,463.93x = 202,107.64 × 85,221.45
  4. Step 4: Simplify right side
    146,463.93x = 17,223,906,136.88
  5. Step 5: Solve for x
    x = 17,223,906,136.88/146,463.93
  6. Step 6: Final answer
    x = 117,598.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.