Home / 141,672.84-195,518.64-79,588.36

Finding the Fourth Proportional to 141,672.84, 195,518.64 and 79,588.36

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Solution

The fourth proportional to 141,672.84, 195,518.64 and 79,588.36 is: 109,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,672.84 : 195,518.64 = 79,588.36 : x
  2. Step 2: Convert to fraction form
    141,672.84/195,518.64 = 79,588.36/x
  3. Step 3: Cross multiply
    141,672.84x = 195,518.64 × 79,588.36
  4. Step 4: Simplify right side
    141,672.84x = 15,561,007,907.03
  5. Step 5: Solve for x
    x = 15,561,007,907.03/141,672.84
  6. Step 6: Final answer
    x = 109,837.62

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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.