Home / 134,190.47-185,192.52-80,474.51

Finding the Fourth Proportional to 134,190.47, 185,192.52 and 80,474.51

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Solution

The fourth proportional to 134,190.47, 185,192.52 and 80,474.51 is: 111,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,190.47 : 185,192.52 = 80,474.51 : x
  2. Step 2: Convert to fraction form
    134,190.47/185,192.52 = 80,474.51/x
  3. Step 3: Cross multiply
    134,190.47x = 185,192.52 × 80,474.51
  4. Step 4: Simplify right side
    134,190.47x = 14,903,277,302.67
  5. Step 5: Solve for x
    x = 14,903,277,302.67/134,190.47
  6. Step 6: Final answer
    x = 111,060.62

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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.