Home / 141,572.99-195,370.31-77,910.74

Finding the Fourth Proportional to 141,572.99, 195,370.31 and 77,910.74

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Solution

The fourth proportional to 141,572.99, 195,370.31 and 77,910.74 is: 107,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,572.99 : 195,370.31 = 77,910.74 : x
  2. Step 2: Convert to fraction form
    141,572.99/195,370.31 = 77,910.74/x
  3. Step 3: Cross multiply
    141,572.99x = 195,370.31 × 77,910.74
  4. Step 4: Simplify right side
    141,572.99x = 15,221,445,036.58
  5. Step 5: Solve for x
    x = 15,221,445,036.58/141,572.99
  6. Step 6: Final answer
    x = 107,516.59

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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.