Home / 146,727.72-202,485.08-86,300.90

Finding the Fourth Proportional to 146,727.72, 202,485.08 and 86,300.90

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Solution

The fourth proportional to 146,727.72, 202,485.08 and 86,300.90 is: 119,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.72 : 202,485.08 = 86,300.90 : x
  2. Step 2: Convert to fraction form
    146,727.72/202,485.08 = 86,300.90/x
  3. Step 3: Cross multiply
    146,727.72x = 202,485.08 × 86,300.90
  4. Step 4: Simplify right side
    146,727.72x = 17,474,644,640.57
  5. Step 5: Solve for x
    x = 17,474,644,640.57/146,727.72
  6. Step 6: Final answer
    x = 119,095.73

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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.