Home / 259,932.89-358,557.74-156,495.18

Finding the Fourth Proportional to 259,932.89, 358,557.74 and 156,495.18

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Solution

The fourth proportional to 259,932.89, 358,557.74 and 156,495.18 is: 215,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,932.89 : 358,557.74 = 156,495.18 : x
  2. Step 2: Convert to fraction form
    259,932.89/358,557.74 = 156,495.18/x
  3. Step 3: Cross multiply
    259,932.89x = 358,557.74 × 156,495.18
  4. Step 4: Simplify right side
    259,932.89x = 56,112,557,279.22
  5. Step 5: Solve for x
    x = 56,112,557,279.22/259,932.89
  6. Step 6: Final answer
    x = 215,873.25

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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.