Home / 141,359.30-195,077.34-76,828.55

Finding the Fourth Proportional to 141,359.30, 195,077.34 and 76,828.55

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Solution

The fourth proportional to 141,359.30, 195,077.34 and 76,828.55 is: 106,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,359.30 : 195,077.34 = 76,828.55 : x
  2. Step 2: Convert to fraction form
    141,359.30/195,077.34 = 76,828.55/x
  3. Step 3: Cross multiply
    141,359.30x = 195,077.34 × 76,828.55
  4. Step 4: Simplify right side
    141,359.30x = 14,987,508,194.67
  5. Step 5: Solve for x
    x = 14,987,508,194.67/141,359.30
  6. Step 6: Final answer
    x = 106,024.21

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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.