Home / 119,192.55-178,788.65-30,446.08

Finding the Fourth Proportional to 119,192.55, 178,788.65 and 30,446.08

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Solution

The fourth proportional to 119,192.55, 178,788.65 and 30,446.08 is: 45,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,192.55 : 178,788.65 = 30,446.08 : x
  2. Step 2: Convert to fraction form
    119,192.55/178,788.65 = 30,446.08/x
  3. Step 3: Cross multiply
    119,192.55x = 178,788.65 × 30,446.08
  4. Step 4: Simplify right side
    119,192.55x = 5,443,413,055.96
  5. Step 5: Solve for x
    x = 5,443,413,055.96/119,192.55
  6. Step 6: Final answer
    x = 45,669.07

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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.