Home / 208,083.14-287,125.76-116,203.51

Finding the Fourth Proportional to 208,083.14, 287,125.76 and 116,203.51

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Solution

The fourth proportional to 208,083.14, 287,125.76 and 116,203.51 is: 160,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,083.14 : 287,125.76 = 116,203.51 : x
  2. Step 2: Convert to fraction form
    208,083.14/287,125.76 = 116,203.51/x
  3. Step 3: Cross multiply
    208,083.14x = 287,125.76 × 116,203.51
  4. Step 4: Simplify right side
    208,083.14x = 33,365,021,772.83
  5. Step 5: Solve for x
    x = 33,365,021,772.83/208,083.14
  6. Step 6: Final answer
    x = 160,344.67

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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.