Home / 141,550.13-195,333.33-77,019.64

Finding the Fourth Proportional to 141,550.13, 195,333.33 and 77,019.64

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Solution

The fourth proportional to 141,550.13, 195,333.33 and 77,019.64 is: 106,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,550.13 : 195,333.33 = 77,019.64 : x
  2. Step 2: Convert to fraction form
    141,550.13/195,333.33 = 77,019.64/x
  3. Step 3: Cross multiply
    141,550.13x = 195,333.33 × 77,019.64
  4. Step 4: Simplify right side
    141,550.13x = 15,044,502,268.27
  5. Step 5: Solve for x
    x = 15,044,502,268.27/141,550.13
  6. Step 6: Final answer
    x = 106,283.91

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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.