Home / 208,319.61-287,498.73-117,692.19

Finding the Fourth Proportional to 208,319.61, 287,498.73 and 117,692.19

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Solution

The fourth proportional to 208,319.61, 287,498.73 and 117,692.19 is: 162,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,319.61 : 287,498.73 = 117,692.19 : x
  2. Step 2: Convert to fraction form
    208,319.61/287,498.73 = 117,692.19/x
  3. Step 3: Cross multiply
    208,319.61x = 287,498.73 × 117,692.19
  4. Step 4: Simplify right side
    208,319.61x = 33,836,355,155.92
  5. Step 5: Solve for x
    x = 33,836,355,155.92/208,319.61
  6. Step 6: Final answer
    x = 162,425.20

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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.