Home / 119,031.57-178,544.52-30,285.18

Finding the Fourth Proportional to 119,031.57, 178,544.52 and 30,285.18

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Solution

The fourth proportional to 119,031.57, 178,544.52 and 30,285.18 is: 45,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,031.57 : 178,544.52 = 30,285.18 : x
  2. Step 2: Convert to fraction form
    119,031.57/178,544.52 = 30,285.18/x
  3. Step 3: Cross multiply
    119,031.57x = 178,544.52 × 30,285.18
  4. Step 4: Simplify right side
    119,031.57x = 5,407,252,926.21
  5. Step 5: Solve for x
    x = 5,407,252,926.21/119,031.57
  6. Step 6: Final answer
    x = 45,427.05

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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.