Home / 208,552.46-287,802.71-113,059.16

Finding the Fourth Proportional to 208,552.46, 287,802.71 and 113,059.16

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Solution

The fourth proportional to 208,552.46, 287,802.71 and 113,059.16 is: 156,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,552.46 : 287,802.71 = 113,059.16 : x
  2. Step 2: Convert to fraction form
    208,552.46/287,802.71 = 113,059.16/x
  3. Step 3: Cross multiply
    208,552.46x = 287,802.71 × 113,059.16
  4. Step 4: Simplify right side
    208,552.46x = 32,538,732,137.25
  5. Step 5: Solve for x
    x = 32,538,732,137.25/208,552.46
  6. Step 6: Final answer
    x = 156,021.81

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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.