Home / 146,185.19-201,733.39-81,655.33

Finding the Fourth Proportional to 146,185.19, 201,733.39 and 81,655.33

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Solution

The fourth proportional to 146,185.19, 201,733.39 and 81,655.33 is: 112,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,185.19 : 201,733.39 = 81,655.33 : x
  2. Step 2: Convert to fraction form
    146,185.19/201,733.39 = 81,655.33/x
  3. Step 3: Cross multiply
    146,185.19x = 201,733.39 × 81,655.33
  4. Step 4: Simplify right side
    146,185.19x = 16,472,606,508.45
  5. Step 5: Solve for x
    x = 16,472,606,508.45/146,185.19
  6. Step 6: Final answer
    x = 112,683.14

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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.