Home / 185,830.66-278,779.59-67,667.86

Finding the Fourth Proportional to 185,830.66, 278,779.59 and 67,667.86

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Solution

The fourth proportional to 185,830.66, 278,779.59 and 67,667.86 is: 101,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,830.66 : 278,779.59 = 67,667.86 : x
  2. Step 2: Convert to fraction form
    185,830.66/278,779.59 = 67,667.86/x
  3. Step 3: Cross multiply
    185,830.66x = 278,779.59 × 67,667.86
  4. Step 4: Simplify right side
    185,830.66x = 18,864,418,266.98
  5. Step 5: Solve for x
    x = 18,864,418,266.98/185,830.66
  6. Step 6: Final answer
    x = 101,514.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.