Home / 117,640.33-176,445.91-69,637.50

Finding the Fourth Proportional to 117,640.33, 176,445.91 and 69,637.50

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Solution

The fourth proportional to 117,640.33, 176,445.91 and 69,637.50 is: 104,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,640.33 : 176,445.91 = 69,637.50 : x
  2. Step 2: Convert to fraction form
    117,640.33/176,445.91 = 69,637.50/x
  3. Step 3: Cross multiply
    117,640.33x = 176,445.91 × 69,637.50
  4. Step 4: Simplify right side
    117,640.33x = 12,287,252,144.67
  5. Step 5: Solve for x
    x = 12,287,252,144.67/117,640.33
  6. Step 6: Final answer
    x = 104,447.62

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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.