Home / 142,242.99-196,334.43-88,495.95

Finding the Fourth Proportional to 142,242.99, 196,334.43 and 88,495.95

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Solution

The fourth proportional to 142,242.99, 196,334.43 and 88,495.95 is: 122,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,242.99 : 196,334.43 = 88,495.95 : x
  2. Step 2: Convert to fraction form
    142,242.99/196,334.43 = 88,495.95/x
  3. Step 3: Cross multiply
    142,242.99x = 196,334.43 × 88,495.95
  4. Step 4: Simplify right side
    142,242.99x = 17,374,801,900.56
  5. Step 5: Solve for x
    x = 17,374,801,900.56/142,242.99
  6. Step 6: Final answer
    x = 122,148.74

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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.