Home / 133,226.06-183,846.51-72,798.77

Finding the Fourth Proportional to 133,226.06, 183,846.51 and 72,798.77

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Solution

The fourth proportional to 133,226.06, 183,846.51 and 72,798.77 is: 100,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,226.06 : 183,846.51 = 72,798.77 : x
  2. Step 2: Convert to fraction form
    133,226.06/183,846.51 = 72,798.77/x
  3. Step 3: Cross multiply
    133,226.06x = 183,846.51 × 72,798.77
  4. Step 4: Simplify right side
    133,226.06x = 13,383,799,796.79
  5. Step 5: Solve for x
    x = 13,383,799,796.79/133,226.06
  6. Step 6: Final answer
    x = 100,459.32

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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.