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Finding the Fourth Proportional to 292,191.87, 403,160.72 and 190,206.39

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Solution

The fourth proportional to 292,191.87, 403,160.72 and 190,206.39 is: 262,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,191.87 : 403,160.72 = 190,206.39 : x
  2. Step 2: Convert to fraction form
    292,191.87/403,160.72 = 190,206.39/x
  3. Step 3: Cross multiply
    292,191.87x = 403,160.72 × 190,206.39
  4. Step 4: Simplify right side
    292,191.87x = 76,683,744,189.97
  5. Step 5: Solve for x
    x = 76,683,744,189.97/292,191.87
  6. Step 6: Final answer
    x = 262,443.11

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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.