Home / 117,224.76-161,710.65-74,131.67

Finding the Fourth Proportional to 117,224.76, 161,710.65 and 74,131.67

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Solution

The fourth proportional to 117,224.76, 161,710.65 and 74,131.67 is: 102,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.76 : 161,710.65 = 74,131.67 : x
  2. Step 2: Convert to fraction form
    117,224.76/161,710.65 = 74,131.67/x
  3. Step 3: Cross multiply
    117,224.76x = 161,710.65 × 74,131.67
  4. Step 4: Simplify right side
    117,224.76x = 11,987,880,667.57
  5. Step 5: Solve for x
    x = 11,987,880,667.57/117,224.76
  6. Step 6: Final answer
    x = 102,264.07

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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.