Home / 191,245.87-286,865.56-66,583.63

Finding the Fourth Proportional to 191,245.87, 286,865.56 and 66,583.63

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Solution

The fourth proportional to 191,245.87, 286,865.56 and 66,583.63 is: 99,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,245.87 : 286,865.56 = 66,583.63 : x
  2. Step 2: Convert to fraction form
    191,245.87/286,865.56 = 66,583.63/x
  3. Step 3: Cross multiply
    191,245.87x = 286,865.56 × 66,583.63
  4. Step 4: Simplify right side
    191,245.87x = 19,100,548,539.54
  5. Step 5: Solve for x
    x = 19,100,548,539.54/191,245.87
  6. Step 6: Final answer
    x = 99,874.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.