Home / 146,187.70-201,736.85-81,657.83

Finding the Fourth Proportional to 146,187.70, 201,736.85 and 81,657.83

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Solution

The fourth proportional to 146,187.70, 201,736.85 and 81,657.83 is: 112,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,187.70 : 201,736.85 = 81,657.83 : x
  2. Step 2: Convert to fraction form
    146,187.70/201,736.85 = 81,657.83/x
  3. Step 3: Cross multiply
    146,187.70x = 201,736.85 × 81,657.83
  4. Step 4: Simplify right side
    146,187.70x = 16,473,393,402.04
  5. Step 5: Solve for x
    x = 16,473,393,402.04/146,187.70
  6. Step 6: Final answer
    x = 112,686.59

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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.