Home / 141,857.16-195,759.96-77,325.84

Finding the Fourth Proportional to 141,857.16, 195,759.96 and 77,325.84

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Solution

The fourth proportional to 141,857.16, 195,759.96 and 77,325.84 is: 106,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.16 : 195,759.96 = 77,325.84 : x
  2. Step 2: Convert to fraction form
    141,857.16/195,759.96 = 77,325.84/x
  3. Step 3: Cross multiply
    141,857.16x = 195,759.96 × 77,325.84
  4. Step 4: Simplify right side
    141,857.16x = 15,137,303,345.37
  5. Step 5: Solve for x
    x = 15,137,303,345.37/141,857.16
  6. Step 6: Final answer
    x = 106,708.07

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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.