Home / 145,193.58-200,361.96-81,534.06

Finding the Fourth Proportional to 145,193.58, 200,361.96 and 81,534.06

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Solution

The fourth proportional to 145,193.58, 200,361.96 and 81,534.06 is: 112,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,193.58 : 200,361.96 = 81,534.06 : x
  2. Step 2: Convert to fraction form
    145,193.58/200,361.96 = 81,534.06/x
  3. Step 3: Cross multiply
    145,193.58x = 200,361.96 × 81,534.06
  4. Step 4: Simplify right side
    145,193.58x = 16,336,324,068.36
  5. Step 5: Solve for x
    x = 16,336,324,068.36/145,193.58
  6. Step 6: Final answer
    x = 112,514.09

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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.