Home / 208,330.44-287,501.91-117,690.24

Finding the Fourth Proportional to 208,330.44, 287,501.91 and 117,690.24

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Solution

The fourth proportional to 208,330.44, 287,501.91 and 117,690.24 is: 162,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,330.44 : 287,501.91 = 117,690.24 : x
  2. Step 2: Convert to fraction form
    208,330.44/287,501.91 = 117,690.24/x
  3. Step 3: Cross multiply
    208,330.44x = 287,501.91 × 117,690.24
  4. Step 4: Simplify right side
    208,330.44x = 33,836,168,788.36
  5. Step 5: Solve for x
    x = 33,836,168,788.36/208,330.44
  6. Step 6: Final answer
    x = 162,415.87

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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.