Home / 133,033.06-199,586.04-66,392.74

Finding the Fourth Proportional to 133,033.06, 199,586.04 and 66,392.74

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Solution

The fourth proportional to 133,033.06, 199,586.04 and 66,392.74 is: 99,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,033.06 : 199,586.04 = 66,392.74 : x
  2. Step 2: Convert to fraction form
    133,033.06/199,586.04 = 66,392.74/x
  3. Step 3: Cross multiply
    133,033.06x = 199,586.04 × 66,392.74
  4. Step 4: Simplify right side
    133,033.06x = 13,251,064,061.35
  5. Step 5: Solve for x
    x = 13,251,064,061.35/133,033.06
  6. Step 6: Final answer
    x = 99,607.30

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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.