Home / 146,301.39-201,893.51-81,772.13

Finding the Fourth Proportional to 146,301.39, 201,893.51 and 81,772.13

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Solution

The fourth proportional to 146,301.39, 201,893.51 and 81,772.13 is: 112,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,301.39 : 201,893.51 = 81,772.13 : x
  2. Step 2: Convert to fraction form
    146,301.39/201,893.51 = 81,772.13/x
  3. Step 3: Cross multiply
    146,301.39x = 201,893.51 × 81,772.13
  4. Step 4: Simplify right side
    146,301.39x = 16,509,263,055.04
  5. Step 5: Solve for x
    x = 16,509,263,055.04/146,301.39
  6. Step 6: Final answer
    x = 112,844.20

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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.