Home / 208,573.41-287,829.57-117,947.17

Finding the Fourth Proportional to 208,573.41, 287,829.57 and 117,947.17

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Solution

The fourth proportional to 208,573.41, 287,829.57 and 117,947.17 is: 162,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,573.41 : 287,829.57 = 117,947.17 : x
  2. Step 2: Convert to fraction form
    208,573.41/287,829.57 = 117,947.17/x
  3. Step 3: Cross multiply
    208,573.41x = 287,829.57 × 117,947.17
  4. Step 4: Simplify right side
    208,573.41x = 33,948,683,223.82
  5. Step 5: Solve for x
    x = 33,948,683,223.82/208,573.41
  6. Step 6: Final answer
    x = 162,766.11

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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.