Home / 141,462.08-195,217.60-77,804.16

Finding the Fourth Proportional to 141,462.08, 195,217.60 and 77,804.16

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Solution

The fourth proportional to 141,462.08, 195,217.60 and 77,804.16 is: 107,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,462.08 : 195,217.60 = 77,804.16 : x
  2. Step 2: Convert to fraction form
    141,462.08/195,217.60 = 77,804.16/x
  3. Step 3: Cross multiply
    141,462.08x = 195,217.60 × 77,804.16
  4. Step 4: Simplify right side
    141,462.08x = 15,188,741,385.22
  5. Step 5: Solve for x
    x = 15,188,741,385.22/141,462.08
  6. Step 6: Final answer
    x = 107,369.70

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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.