Home / 141,515.10-195,285.91-77,852.22

Finding the Fourth Proportional to 141,515.10, 195,285.91 and 77,852.22

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Solution

The fourth proportional to 141,515.10, 195,285.91 and 77,852.22 is: 107,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,515.10 : 195,285.91 = 77,852.22 : x
  2. Step 2: Convert to fraction form
    141,515.10/195,285.91 = 77,852.22/x
  3. Step 3: Cross multiply
    141,515.10x = 195,285.91 × 77,852.22
  4. Step 4: Simplify right side
    141,515.10x = 15,203,441,628.22
  5. Step 5: Solve for x
    x = 15,203,441,628.22/141,515.10
  6. Step 6: Final answer
    x = 107,433.35

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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.