Home / 118,809.12-178,214.06-30,062.62

Finding the Fourth Proportional to 118,809.12, 178,214.06 and 30,062.62

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Solution

The fourth proportional to 118,809.12, 178,214.06 and 30,062.62 is: 45,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,809.12 : 178,214.06 = 30,062.62 : x
  2. Step 2: Convert to fraction form
    118,809.12/178,214.06 = 30,062.62/x
  3. Step 3: Cross multiply
    118,809.12x = 178,214.06 × 30,062.62
  4. Step 4: Simplify right side
    118,809.12x = 5,357,581,564.44
  5. Step 5: Solve for x
    x = 5,357,581,564.44/118,809.12
  6. Step 6: Final answer
    x = 45,094.03

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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.