Home / 189,946.53-262,108.56-105,061.77

Finding the Fourth Proportional to 189,946.53, 262,108.56 and 105,061.77

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Solution

The fourth proportional to 189,946.53, 262,108.56 and 105,061.77 is: 144,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,946.53 : 262,108.56 = 105,061.77 : x
  2. Step 2: Convert to fraction form
    189,946.53/262,108.56 = 105,061.77/x
  3. Step 3: Cross multiply
    189,946.53x = 262,108.56 × 105,061.77
  4. Step 4: Simplify right side
    189,946.53x = 27,537,589,245.75
  5. Step 5: Solve for x
    x = 27,537,589,245.75/189,946.53
  6. Step 6: Final answer
    x = 144,975.48

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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.