Home / 122,382.81-183,626.82-66,263.01

Finding the Fourth Proportional to 122,382.81, 183,626.82 and 66,263.01

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Solution

The fourth proportional to 122,382.81, 183,626.82 and 66,263.01 is: 99,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,382.81 : 183,626.82 = 66,263.01 : x
  2. Step 2: Convert to fraction form
    122,382.81/183,626.82 = 66,263.01/x
  3. Step 3: Cross multiply
    122,382.81x = 183,626.82 × 66,263.01
  4. Step 4: Simplify right side
    122,382.81x = 12,167,665,809.93
  5. Step 5: Solve for x
    x = 12,167,665,809.93/122,382.81
  6. Step 6: Final answer
    x = 99,423.00

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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.