Home / 188,432.56-260,027.31-103,533.22

Finding the Fourth Proportional to 188,432.56, 260,027.31 and 103,533.22

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Solution

The fourth proportional to 188,432.56, 260,027.31 and 103,533.22 is: 142,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,432.56 : 260,027.31 = 103,533.22 : x
  2. Step 2: Convert to fraction form
    188,432.56/260,027.31 = 103,533.22/x
  3. Step 3: Cross multiply
    188,432.56x = 260,027.31 × 103,533.22
  4. Step 4: Simplify right side
    188,432.56x = 26,921,464,692.24
  5. Step 5: Solve for x
    x = 26,921,464,692.24/188,432.56
  6. Step 6: Final answer
    x = 142,870.56

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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.