Home / 141,742.24-195,595.48-78,076.48

Finding the Fourth Proportional to 141,742.24, 195,595.48 and 78,076.48

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Solution

The fourth proportional to 141,742.24, 195,595.48 and 78,076.48 is: 107,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,742.24 : 195,595.48 = 78,076.48 : x
  2. Step 2: Convert to fraction form
    141,742.24/195,595.48 = 78,076.48/x
  3. Step 3: Cross multiply
    141,742.24x = 195,595.48 × 78,076.48
  4. Step 4: Simplify right side
    141,742.24x = 15,271,406,582.31
  5. Step 5: Solve for x
    x = 15,271,406,582.31/141,742.24
  6. Step 6: Final answer
    x = 107,740.69

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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.