Home / 133,235.48-183,867.08-79,551.92

Finding the Fourth Proportional to 133,235.48, 183,867.08 and 79,551.92

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Solution

The fourth proportional to 133,235.48, 183,867.08 and 79,551.92 is: 109,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,235.48 : 183,867.08 = 79,551.92 : x
  2. Step 2: Convert to fraction form
    133,235.48/183,867.08 = 79,551.92/x
  3. Step 3: Cross multiply
    133,235.48x = 183,867.08 × 79,551.92
  4. Step 4: Simplify right side
    133,235.48x = 14,626,979,238.79
  5. Step 5: Solve for x
    x = 14,626,979,238.79/133,235.48
  6. Step 6: Final answer
    x = 109,782.91

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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.