Home / 282,343.37-423,255.15-122,318.76

Finding the Fourth Proportional to 282,343.37, 423,255.15 and 122,318.76

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Solution

The fourth proportional to 282,343.37, 423,255.15 and 122,318.76 is: 183,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,343.37 : 423,255.15 = 122,318.76 : x
  2. Step 2: Convert to fraction form
    282,343.37/423,255.15 = 122,318.76/x
  3. Step 3: Cross multiply
    282,343.37x = 423,255.15 × 122,318.76
  4. Step 4: Simplify right side
    282,343.37x = 51,772,045,111.61
  5. Step 5: Solve for x
    x = 51,772,045,111.61/282,343.37
  6. Step 6: Final answer
    x = 183,365.54

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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.