Home / 185,085.64-277,739.53-79,904.51

Finding the Fourth Proportional to 185,085.64, 277,739.53 and 79,904.51

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Solution

The fourth proportional to 185,085.64, 277,739.53 and 79,904.51 is: 119,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,085.64 : 277,739.53 = 79,904.51 : x
  2. Step 2: Convert to fraction form
    185,085.64/277,739.53 = 79,904.51/x
  3. Step 3: Cross multiply
    185,085.64x = 277,739.53 × 79,904.51
  4. Step 4: Simplify right side
    185,085.64x = 22,192,639,463.82
  5. Step 5: Solve for x
    x = 22,192,639,463.82/185,085.64
  6. Step 6: Final answer
    x = 119,904.71

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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.