Home / 146,580.96-202,282.80-79,513.44

Finding the Fourth Proportional to 146,580.96, 202,282.80 and 79,513.44

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Solution

The fourth proportional to 146,580.96, 202,282.80 and 79,513.44 is: 109,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,580.96 : 202,282.80 = 79,513.44 : x
  2. Step 2: Convert to fraction form
    146,580.96/202,282.80 = 79,513.44/x
  3. Step 3: Cross multiply
    146,580.96x = 202,282.80 × 79,513.44
  4. Step 4: Simplify right side
    146,580.96x = 16,084,201,280.83
  5. Step 5: Solve for x
    x = 16,084,201,280.83/146,580.96
  6. Step 6: Final answer
    x = 109,729.13

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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.