Home / 115,237.56-172,856.34-36,359.76

Finding the Fourth Proportional to 115,237.56, 172,856.34 and 36,359.76

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Solution

The fourth proportional to 115,237.56, 172,856.34 and 36,359.76 is: 54,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,237.56 : 172,856.34 = 36,359.76 : x
  2. Step 2: Convert to fraction form
    115,237.56/172,856.34 = 36,359.76/x
  3. Step 3: Cross multiply
    115,237.56x = 172,856.34 × 36,359.76
  4. Step 4: Simplify right side
    115,237.56x = 6,285,015,036.88
  5. Step 5: Solve for x
    x = 6,285,015,036.88/115,237.56
  6. Step 6: Final answer
    x = 54,539.64

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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.