Home / 142,583.42-197,134.56-136,309.50

Finding the Fourth Proportional to 142,583.42, 197,134.56 and 136,309.50

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Solution

The fourth proportional to 142,583.42, 197,134.56 and 136,309.50 is: 188,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,583.42 : 197,134.56 = 136,309.50 : x
  2. Step 2: Convert to fraction form
    142,583.42/197,134.56 = 136,309.50/x
  3. Step 3: Cross multiply
    142,583.42x = 197,134.56 × 136,309.50
  4. Step 4: Simplify right side
    142,583.42x = 26,871,313,306.32
  5. Step 5: Solve for x
    x = 26,871,313,306.32/142,583.42
  6. Step 6: Final answer
    x = 188,460.29

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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.