Home / 192,928.04-289,490.86-91,840.50

Finding the Fourth Proportional to 192,928.04, 289,490.86 and 91,840.50

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Solution

The fourth proportional to 192,928.04, 289,490.86 and 91,840.50 is: 137,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,928.04 : 289,490.86 = 91,840.50 : x
  2. Step 2: Convert to fraction form
    192,928.04/289,490.86 = 91,840.50/x
  3. Step 3: Cross multiply
    192,928.04x = 289,490.86 × 91,840.50
  4. Step 4: Simplify right side
    192,928.04x = 26,586,985,327.83
  5. Step 5: Solve for x
    x = 26,586,985,327.83/192,928.04
  6. Step 6: Final answer
    x = 137,807.78

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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.