Home / 141,091.34-194,701.66-77,427.50

Finding the Fourth Proportional to 141,091.34, 194,701.66 and 77,427.50

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Solution

The fourth proportional to 141,091.34, 194,701.66 and 77,427.50 is: 106,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,091.34 : 194,701.66 = 77,427.50 : x
  2. Step 2: Convert to fraction form
    141,091.34/194,701.66 = 77,427.50/x
  3. Step 3: Cross multiply
    141,091.34x = 194,701.66 × 77,427.50
  4. Step 4: Simplify right side
    141,091.34x = 15,075,261,612.57
  5. Step 5: Solve for x
    x = 15,075,261,612.57/141,091.34
  6. Step 6: Final answer
    x = 106,847.54

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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.