Home / 146,186.70-201,735.47-81,656.83

Finding the Fourth Proportional to 146,186.70, 201,735.47 and 81,656.83

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Solution

The fourth proportional to 146,186.70, 201,735.47 and 81,656.83 is: 112,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.70 : 201,735.47 = 81,656.83 : x
  2. Step 2: Convert to fraction form
    146,186.70/201,735.47 = 81,656.83/x
  3. Step 3: Cross multiply
    146,186.70x = 201,735.47 × 81,656.83
  4. Step 4: Simplify right side
    146,186.70x = 16,473,078,978.76
  5. Step 5: Solve for x
    x = 16,473,078,978.76/146,186.70
  6. Step 6: Final answer
    x = 112,685.21

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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.