Home / 141,675.70-195,506.14-81,202.98

Finding the Fourth Proportional to 141,675.70, 195,506.14 and 81,202.98

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Solution

The fourth proportional to 141,675.70, 195,506.14 and 81,202.98 is: 112,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,675.70 : 195,506.14 = 81,202.98 : x
  2. Step 2: Convert to fraction form
    141,675.70/195,506.14 = 81,202.98/x
  3. Step 3: Cross multiply
    141,675.70x = 195,506.14 × 81,202.98
  4. Step 4: Simplify right side
    141,675.70x = 15,875,681,176.30
  5. Step 5: Solve for x
    x = 15,875,681,176.30/141,675.70
  6. Step 6: Final answer
    x = 112,056.49

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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.