Home / 189,478.89-261,480.93-104,596.02

Finding the Fourth Proportional to 189,478.89, 261,480.93 and 104,596.02

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Solution

The fourth proportional to 189,478.89, 261,480.93 and 104,596.02 is: 144,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,478.89 : 261,480.93 = 104,596.02 : x
  2. Step 2: Convert to fraction form
    189,478.89/261,480.93 = 104,596.02/x
  3. Step 3: Cross multiply
    189,478.89x = 261,480.93 × 104,596.02
  4. Step 4: Simplify right side
    189,478.89x = 27,349,864,583.90
  5. Step 5: Solve for x
    x = 27,349,864,583.90/189,478.89
  6. Step 6: Final answer
    x = 144,342.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.