Home / 185,999.10-278,998.65-119,514.30

Finding the Fourth Proportional to 185,999.10, 278,998.65 and 119,514.30

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Solution

The fourth proportional to 185,999.10, 278,998.65 and 119,514.30 is: 179,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,999.10 : 278,998.65 = 119,514.30 : x
  2. Step 2: Convert to fraction form
    185,999.10/278,998.65 = 119,514.30/x
  3. Step 3: Cross multiply
    185,999.10x = 278,998.65 × 119,514.30
  4. Step 4: Simplify right side
    185,999.10x = 33,344,328,355.70
  5. Step 5: Solve for x
    x = 33,344,328,355.70/185,999.10
  6. Step 6: Final answer
    x = 179,271.45

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1.5x scale

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.