Home / 210,312.24-290,236.92-114,825

Finding the Fourth Proportional to 210,312.24, 290,236.92 and 114,825

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Solution

The fourth proportional to 210,312.24, 290,236.92 and 114,825 is: 158,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,312.24 : 290,236.92 = 114,825 : x
  2. Step 2: Convert to fraction form
    210,312.24/290,236.92 = 114,825/x
  3. Step 3: Cross multiply
    210,312.24x = 290,236.92 × 114,825
  4. Step 4: Simplify right side
    210,312.24x = 33,326,454,339
  5. Step 5: Solve for x
    x = 33,326,454,339/210,312.24
  6. Step 6: Final answer
    x = 158,461.79

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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.