Home / 211,499.08-291,876.90-116,009.80

Finding the Fourth Proportional to 211,499.08, 291,876.90 and 116,009.80

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Solution

The fourth proportional to 211,499.08, 291,876.90 and 116,009.80 is: 160,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,499.08 : 291,876.90 = 116,009.80 : x
  2. Step 2: Convert to fraction form
    211,499.08/291,876.90 = 116,009.80/x
  3. Step 3: Cross multiply
    211,499.08x = 291,876.90 × 116,009.80
  4. Step 4: Simplify right side
    211,499.08x = 33,860,580,793.62
  5. Step 5: Solve for x
    x = 33,860,580,793.62/211,499.08
  6. Step 6: Final answer
    x = 160,098.01

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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.