Home / 210,432.24-290,383.56-114,919.56

Finding the Fourth Proportional to 210,432.24, 290,383.56 and 114,919.56

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Solution

The fourth proportional to 210,432.24, 290,383.56 and 114,919.56 is: 158,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,432.24 : 290,383.56 = 114,919.56 : x
  2. Step 2: Convert to fraction form
    210,432.24/290,383.56 = 114,919.56/x
  3. Step 3: Cross multiply
    210,432.24x = 290,383.56 × 114,919.56
  4. Step 4: Simplify right side
    210,432.24x = 33,370,750,946.43
  5. Step 5: Solve for x
    x = 33,370,750,946.43/210,432.24
  6. Step 6: Final answer
    x = 158,581.93

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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.