Home / 122,309.70-183,441.34-38,070.90

Finding the Fourth Proportional to 122,309.70, 183,441.34 and 38,070.90

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Solution

The fourth proportional to 122,309.70, 183,441.34 and 38,070.90 is: 57,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,309.70 : 183,441.34 = 38,070.90 : x
  2. Step 2: Convert to fraction form
    122,309.70/183,441.34 = 38,070.90/x
  3. Step 3: Cross multiply
    122,309.70x = 183,441.34 × 38,070.90
  4. Step 4: Simplify right side
    122,309.70x = 6,983,776,911.01
  5. Step 5: Solve for x
    x = 6,983,776,911.01/122,309.70
  6. Step 6: Final answer
    x = 57,099.13

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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.