Home / 194,699.12-292,004.64-89,416.88

Finding the Fourth Proportional to 194,699.12, 292,004.64 and 89,416.88

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Solution

The fourth proportional to 194,699.12, 292,004.64 and 89,416.88 is: 134,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,699.12 : 292,004.64 = 89,416.88 : x
  2. Step 2: Convert to fraction form
    194,699.12/292,004.64 = 89,416.88/x
  3. Step 3: Cross multiply
    194,699.12x = 292,004.64 × 89,416.88
  4. Step 4: Simplify right side
    194,699.12x = 26,110,143,854.32
  5. Step 5: Solve for x
    x = 26,110,143,854.32/194,699.12
  6. Step 6: Final answer
    x = 134,105.09

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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.