Home / 190,247.16-262,537.86-105,362.40

Finding the Fourth Proportional to 190,247.16, 262,537.86 and 105,362.40

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Solution

The fourth proportional to 190,247.16, 262,537.86 and 105,362.40 is: 145,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,247.16 : 262,537.86 = 105,362.40 : x
  2. Step 2: Convert to fraction form
    190,247.16/262,537.86 = 105,362.40/x
  3. Step 3: Cross multiply
    190,247.16x = 262,537.86 × 105,362.40
  4. Step 4: Simplify right side
    190,247.16x = 27,661,619,020.46
  5. Step 5: Solve for x
    x = 27,661,619,020.46/190,247.16
  6. Step 6: Final answer
    x = 145,398.33

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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.