Home / 141,328.15-195,021.52-80,884.93

Finding the Fourth Proportional to 141,328.15, 195,021.52 and 80,884.93

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Solution

The fourth proportional to 141,328.15, 195,021.52 and 80,884.93 is: 111,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,328.15 : 195,021.52 = 80,884.93 : x
  2. Step 2: Convert to fraction form
    141,328.15/195,021.52 = 80,884.93/x
  3. Step 3: Cross multiply
    141,328.15x = 195,021.52 × 80,884.93
  4. Step 4: Simplify right side
    141,328.15x = 15,774,301,993.69
  5. Step 5: Solve for x
    x = 15,774,301,993.69/141,328.15
  6. Step 6: Final answer
    x = 111,614.72

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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.