Home / 190,502.03-262,904.54-105,619.10

Finding the Fourth Proportional to 190,502.03, 262,904.54 and 105,619.10

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Solution

The fourth proportional to 190,502.03, 262,904.54 and 105,619.10 is: 145,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,502.03 : 262,904.54 = 105,619.10 : x
  2. Step 2: Convert to fraction form
    190,502.03/262,904.54 = 105,619.10/x
  3. Step 3: Cross multiply
    190,502.03x = 262,904.54 × 105,619.10
  4. Step 4: Simplify right side
    190,502.03x = 27,767,739,058.10
  5. Step 5: Solve for x
    x = 27,767,739,058.10/190,502.03
  6. Step 6: Final answer
    x = 145,760.85

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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.