Home / 143,043.11-196,947.69-125,984.51

Finding the Fourth Proportional to 143,043.11, 196,947.69 and 125,984.51

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Solution

The fourth proportional to 143,043.11, 196,947.69 and 125,984.51 is: 173,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,043.11 : 196,947.69 = 125,984.51 : x
  2. Step 2: Convert to fraction form
    143,043.11/196,947.69 = 125,984.51/x
  3. Step 3: Cross multiply
    143,043.11x = 196,947.69 × 125,984.51
  4. Step 4: Simplify right side
    143,043.11x = 24,812,358,220.28
  5. Step 5: Solve for x
    x = 24,812,358,220.28/143,043.11
  6. Step 6: Final answer
    x = 173,460.70

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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.