Home / 141,692.29-195,536.64-78,030.34

Finding the Fourth Proportional to 141,692.29, 195,536.64 and 78,030.34

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Solution

The fourth proportional to 141,692.29, 195,536.64 and 78,030.34 is: 107,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,692.29 : 195,536.64 = 78,030.34 : x
  2. Step 2: Convert to fraction form
    141,692.29/195,536.64 = 78,030.34/x
  3. Step 3: Cross multiply
    141,692.29x = 195,536.64 × 78,030.34
  4. Step 4: Simplify right side
    141,692.29x = 15,257,790,501.66
  5. Step 5: Solve for x
    x = 15,257,790,501.66/141,692.29
  6. Step 6: Final answer
    x = 107,682.57

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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.