Home / 122,331.06-183,358.28-66,045.78

Finding the Fourth Proportional to 122,331.06, 183,358.28 and 66,045.78

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Solution

The fourth proportional to 122,331.06, 183,358.28 and 66,045.78 is: 98,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,331.06 : 183,358.28 = 66,045.78 : x
  2. Step 2: Convert to fraction form
    122,331.06/183,358.28 = 66,045.78/x
  3. Step 3: Cross multiply
    122,331.06x = 183,358.28 × 66,045.78
  4. Step 4: Simplify right side
    122,331.06x = 12,110,040,787.17
  5. Step 5: Solve for x
    x = 12,110,040,787.17/122,331.06
  6. Step 6: Final answer
    x = 98,994.00

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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.