Home / 133,025.72-183,579.38-72,600.24

Finding the Fourth Proportional to 133,025.72, 183,579.38 and 72,600.24

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Solution

The fourth proportional to 133,025.72, 183,579.38 and 72,600.24 is: 100,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.72 : 183,579.38 = 72,600.24 : x
  2. Step 2: Convert to fraction form
    133,025.72/183,579.38 = 72,600.24/x
  3. Step 3: Cross multiply
    133,025.72x = 183,579.38 × 72,600.24
  4. Step 4: Simplify right side
    133,025.72x = 13,327,905,995.63
  5. Step 5: Solve for x
    x = 13,327,905,995.63/133,025.72
  6. Step 6: Final answer
    x = 100,190.45

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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.