Home / 141,408.92-195,139.33-77,746.23

Finding the Fourth Proportional to 141,408.92, 195,139.33 and 77,746.23

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Solution

The fourth proportional to 141,408.92, 195,139.33 and 77,746.23 is: 107,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,408.92 : 195,139.33 = 77,746.23 : x
  2. Step 2: Convert to fraction form
    141,408.92/195,139.33 = 77,746.23/x
  3. Step 3: Cross multiply
    141,408.92x = 195,139.33 × 77,746.23
  4. Step 4: Simplify right side
    141,408.92x = 15,171,347,037.86
  5. Step 5: Solve for x
    x = 15,171,347,037.86/141,408.92
  6. Step 6: Final answer
    x = 107,287.06

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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.