Home / 141,770.36-195,642.51-77,239.42

Finding the Fourth Proportional to 141,770.36, 195,642.51 and 77,239.42

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Solution

The fourth proportional to 141,770.36, 195,642.51 and 77,239.42 is: 106,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,770.36 : 195,642.51 = 77,239.42 : x
  2. Step 2: Convert to fraction form
    141,770.36/195,642.51 = 77,239.42/x
  3. Step 3: Cross multiply
    141,770.36x = 195,642.51 × 77,239.42
  4. Step 4: Simplify right side
    141,770.36x = 15,111,313,999.74
  5. Step 5: Solve for x
    x = 15,111,313,999.74/141,770.36
  6. Step 6: Final answer
    x = 106,590.08

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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.