Home / 141,477.60-195,237.54-77,816.28

Finding the Fourth Proportional to 141,477.60, 195,237.54 and 77,816.28

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Solution

The fourth proportional to 141,477.60, 195,237.54 and 77,816.28 is: 107,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,477.60 : 195,237.54 = 77,816.28 : x
  2. Step 2: Convert to fraction form
    141,477.60/195,237.54 = 77,816.28/x
  3. Step 3: Cross multiply
    141,477.60x = 195,237.54 × 77,816.28
  4. Step 4: Simplify right side
    141,477.60x = 15,192,659,079.15
  5. Step 5: Solve for x
    x = 15,192,659,079.15/141,477.60
  6. Step 6: Final answer
    x = 107,385.61

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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.