Home / 141,692.79-195,537.33-78,030.84

Finding the Fourth Proportional to 141,692.79, 195,537.33 and 78,030.84

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Solution

The fourth proportional to 141,692.79, 195,537.33 and 78,030.84 is: 107,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,692.79 : 195,537.33 = 78,030.84 : x
  2. Step 2: Convert to fraction form
    141,692.79/195,537.33 = 78,030.84/x
  3. Step 3: Cross multiply
    141,692.79x = 195,537.33 × 78,030.84
  4. Step 4: Simplify right side
    141,692.79x = 15,257,942,111.26
  5. Step 5: Solve for x
    x = 15,257,942,111.26/141,692.79
  6. Step 6: Final answer
    x = 107,683.26

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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.