Home / 141,599.10-195,405.26-77,935.53

Finding the Fourth Proportional to 141,599.10, 195,405.26 and 77,935.53

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Solution

The fourth proportional to 141,599.10, 195,405.26 and 77,935.53 is: 107,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,599.10 : 195,405.26 = 77,935.53 : x
  2. Step 2: Convert to fraction form
    141,599.10/195,405.26 = 77,935.53/x
  3. Step 3: Cross multiply
    141,599.10x = 195,405.26 × 77,935.53
  4. Step 4: Simplify right side
    141,599.10x = 15,229,012,113.21
  5. Step 5: Solve for x
    x = 15,229,012,113.21/141,599.10
  6. Step 6: Final answer
    x = 107,550.20

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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.