Home / 223,052.10-307,817.33-121,081.74

Finding the Fourth Proportional to 223,052.10, 307,817.33 and 121,081.74

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Solution

The fourth proportional to 223,052.10, 307,817.33 and 121,081.74 is: 167,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,052.10 : 307,817.33 = 121,081.74 : x
  2. Step 2: Convert to fraction form
    223,052.10/307,817.33 = 121,081.74/x
  3. Step 3: Cross multiply
    223,052.10x = 307,817.33 × 121,081.74
  4. Step 4: Simplify right side
    223,052.10x = 37,271,057,313.15
  5. Step 5: Solve for x
    x = 37,271,057,313.15/223,052.10
  6. Step 6: Final answer
    x = 167,095.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.