Home / 190,256.29-262,553.13-105,373.35

Finding the Fourth Proportional to 190,256.29, 262,553.13 and 105,373.35

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Solution

The fourth proportional to 190,256.29, 262,553.13 and 105,373.35 is: 145,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,256.29 : 262,553.13 = 105,373.35 : x
  2. Step 2: Convert to fraction form
    190,256.29/262,553.13 = 105,373.35/x
  3. Step 3: Cross multiply
    190,256.29x = 262,553.13 × 105,373.35
  4. Step 4: Simplify right side
    190,256.29x = 27,666,102,861.09
  5. Step 5: Solve for x
    x = 27,666,102,861.09/190,256.29
  6. Step 6: Final answer
    x = 145,414.92

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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.