Home / 189,323.16-261,265.98-104,440.44

Finding the Fourth Proportional to 189,323.16, 261,265.98 and 104,440.44

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Solution

The fourth proportional to 189,323.16, 261,265.98 and 104,440.44 is: 144,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,323.16 : 261,265.98 = 104,440.44 : x
  2. Step 2: Convert to fraction form
    189,323.16/261,265.98 = 104,440.44/x
  3. Step 3: Cross multiply
    189,323.16x = 261,265.98 × 104,440.44
  4. Step 4: Simplify right side
    189,323.16x = 27,286,733,908.23
  5. Step 5: Solve for x
    x = 27,286,733,908.23/189,323.16
  6. Step 6: Final answer
    x = 144,127.82

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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.