Home / 141,860.37-195,765.71-77,328.19

Finding the Fourth Proportional to 141,860.37, 195,765.71 and 77,328.19

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Solution

The fourth proportional to 141,860.37, 195,765.71 and 77,328.19 is: 106,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.37 : 195,765.71 = 77,328.19 : x
  2. Step 2: Convert to fraction form
    141,860.37/195,765.71 = 77,328.19/x
  3. Step 3: Cross multiply
    141,860.37x = 195,765.71 × 77,328.19
  4. Step 4: Simplify right side
    141,860.37x = 15,138,208,548.42
  5. Step 5: Solve for x
    x = 15,138,208,548.42/141,860.37
  6. Step 6: Final answer
    x = 106,712.04

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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.