Home / 117,009.10-175,513.65-115,842.70

Finding the Fourth Proportional to 117,009.10, 175,513.65 and 115,842.70

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Solution

The fourth proportional to 117,009.10, 175,513.65 and 115,842.70 is: 173,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.10 : 175,513.65 = 115,842.70 : x
  2. Step 2: Convert to fraction form
    117,009.10/175,513.65 = 115,842.70/x
  3. Step 3: Cross multiply
    117,009.10x = 175,513.65 × 115,842.70
  4. Step 4: Simplify right side
    117,009.10x = 20,331,975,102.86
  5. Step 5: Solve for x
    x = 20,331,975,102.86/117,009.10
  6. Step 6: Final answer
    x = 173,764.05

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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.