Home / 122,990.52-183,435.63-104,392.92

Finding the Fourth Proportional to 122,990.52, 183,435.63 and 104,392.92

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Solution

The fourth proportional to 122,990.52, 183,435.63 and 104,392.92 is: 155,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,990.52 : 183,435.63 = 104,392.92 : x
  2. Step 2: Convert to fraction form
    122,990.52/183,435.63 = 104,392.92/x
  3. Step 3: Cross multiply
    122,990.52x = 183,435.63 × 104,392.92
  4. Step 4: Simplify right side
    122,990.52x = 19,149,381,047.74
  5. Step 5: Solve for x
    x = 19,149,381,047.74/122,990.52
  6. Step 6: Final answer
    x = 155,698.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.