Home / 208,329.33-287,512.17-117,701.94

Finding the Fourth Proportional to 208,329.33, 287,512.17 and 117,701.94

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Solution

The fourth proportional to 208,329.33, 287,512.17 and 117,701.94 is: 162,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,329.33 : 287,512.17 = 117,701.94 : x
  2. Step 2: Convert to fraction form
    208,329.33/287,512.17 = 117,701.94/x
  3. Step 3: Cross multiply
    208,329.33x = 287,512.17 × 117,701.94
  4. Step 4: Simplify right side
    208,329.33x = 33,840,740,182.61
  5. Step 5: Solve for x
    x = 33,840,740,182.61/208,329.33
  6. Step 6: Final answer
    x = 162,438.67

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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.