Home / 142,025.04-195,993.80-77,494.26

Finding the Fourth Proportional to 142,025.04, 195,993.80 and 77,494.26

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Solution

The fourth proportional to 142,025.04, 195,993.80 and 77,494.26 is: 106,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,025.04 : 195,993.80 = 77,494.26 : x
  2. Step 2: Convert to fraction form
    142,025.04/195,993.80 = 77,494.26/x
  3. Step 3: Cross multiply
    142,025.04x = 195,993.80 × 77,494.26
  4. Step 4: Simplify right side
    142,025.04x = 15,188,393,709.35
  5. Step 5: Solve for x
    x = 15,188,393,709.35/142,025.04
  6. Step 6: Final answer
    x = 106,941.66

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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.