Home / 141,069.20-194,675.74-77,407.50

Finding the Fourth Proportional to 141,069.20, 194,675.74 and 77,407.50

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Solution

The fourth proportional to 141,069.20, 194,675.74 and 77,407.50 is: 106,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.20 : 194,675.74 = 77,407.50 : x
  2. Step 2: Convert to fraction form
    141,069.20/194,675.74 = 77,407.50/x
  3. Step 3: Cross multiply
    141,069.20x = 194,675.74 × 77,407.50
  4. Step 4: Simplify right side
    141,069.20x = 15,069,362,344.05
  5. Step 5: Solve for x
    x = 15,069,362,344.05/141,069.20
  6. Step 6: Final answer
    x = 106,822.48

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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.