Home / 194,502.08-291,636.48-89,189.12

Finding the Fourth Proportional to 194,502.08, 291,636.48 and 89,189.12

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Solution

The fourth proportional to 194,502.08, 291,636.48 and 89,189.12 is: 133,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,502.08 : 291,636.48 = 89,189.12 : x
  2. Step 2: Convert to fraction form
    194,502.08/291,636.48 = 89,189.12/x
  3. Step 3: Cross multiply
    194,502.08x = 291,636.48 × 89,189.12
  4. Step 4: Simplify right side
    194,502.08x = 26,010,801,011.10
  5. Step 5: Solve for x
    x = 26,010,801,011.10/194,502.08
  6. Step 6: Final answer
    x = 133,730.19

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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.