Home / 208,230.77-287,364.35-117,600.37

Finding the Fourth Proportional to 208,230.77, 287,364.35 and 117,600.37

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Solution

The fourth proportional to 208,230.77, 287,364.35 and 117,600.37 is: 162,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,230.77 : 287,364.35 = 117,600.37 : x
  2. Step 2: Convert to fraction form
    208,230.77/287,364.35 = 117,600.37/x
  3. Step 3: Cross multiply
    208,230.77x = 287,364.35 × 117,600.37
  4. Step 4: Simplify right side
    208,230.77x = 33,794,153,884.81
  5. Step 5: Solve for x
    x = 33,794,153,884.81/208,230.77
  6. Step 6: Final answer
    x = 162,291.84

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1.5x scale

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.