Home / 141,806.60-195,690.58-77,276.40

Finding the Fourth Proportional to 141,806.60, 195,690.58 and 77,276.40

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Solution

The fourth proportional to 141,806.60, 195,690.58 and 77,276.40 is: 106,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.60 : 195,690.58 = 77,276.40 : x
  2. Step 2: Convert to fraction form
    141,806.60/195,690.58 = 77,276.40/x
  3. Step 3: Cross multiply
    141,806.60x = 195,690.58 × 77,276.40
  4. Step 4: Simplify right side
    141,806.60x = 15,122,263,343.12
  5. Step 5: Solve for x
    x = 15,122,263,343.12/141,806.60
  6. Step 6: Final answer
    x = 106,640.05

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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.