Home / 141,219.86-194,848.64-79,967.45

Finding the Fourth Proportional to 141,219.86, 194,848.64 and 79,967.45

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Solution

The fourth proportional to 141,219.86, 194,848.64 and 79,967.45 is: 110,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,219.86 : 194,848.64 = 79,967.45 : x
  2. Step 2: Convert to fraction form
    141,219.86/194,848.64 = 79,967.45/x
  3. Step 3: Cross multiply
    141,219.86x = 194,848.64 × 79,967.45
  4. Step 4: Simplify right side
    141,219.86x = 15,581,549,263.93
  5. Step 5: Solve for x
    x = 15,581,549,263.93/141,219.86
  6. Step 6: Final answer
    x = 110,335.40

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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.