Home / 142,024.84-196,065.29-88,327.16

Finding the Fourth Proportional to 142,024.84, 196,065.29 and 88,327.16

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Solution

The fourth proportional to 142,024.84, 196,065.29 and 88,327.16 is: 121,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,024.84 : 196,065.29 = 88,327.16 : x
  2. Step 2: Convert to fraction form
    142,024.84/196,065.29 = 88,327.16/x
  3. Step 3: Cross multiply
    142,024.84x = 196,065.29 × 88,327.16
  4. Step 4: Simplify right side
    142,024.84x = 17,317,889,480.77
  5. Step 5: Solve for x
    x = 17,317,889,480.77/142,024.84
  6. Step 6: Final answer
    x = 121,935.64

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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.