Home / 141,313.88-195,014.70-77,651.69

Finding the Fourth Proportional to 141,313.88, 195,014.70 and 77,651.69

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Solution

The fourth proportional to 141,313.88, 195,014.70 and 77,651.69 is: 107,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.88 : 195,014.70 = 77,651.69 : x
  2. Step 2: Convert to fraction form
    141,313.88/195,014.70 = 77,651.69/x
  3. Step 3: Cross multiply
    141,313.88x = 195,014.70 × 77,651.69
  4. Step 4: Simplify right side
    141,313.88x = 15,143,220,054.77
  5. Step 5: Solve for x
    x = 15,143,220,054.77/141,313.88
  6. Step 6: Final answer
    x = 107,160.17

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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.