Home / 190,383.06-262,701.14-105,499.92

Finding the Fourth Proportional to 190,383.06, 262,701.14 and 105,499.92

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Solution

The fourth proportional to 190,383.06, 262,701.14 and 105,499.92 is: 145,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,383.06 : 262,701.14 = 105,499.92 : x
  2. Step 2: Convert to fraction form
    190,383.06/262,701.14 = 105,499.92/x
  3. Step 3: Cross multiply
    190,383.06x = 262,701.14 × 105,499.92
  4. Step 4: Simplify right side
    190,383.06x = 27,714,949,253.91
  5. Step 5: Solve for x
    x = 27,714,949,253.91/190,383.06
  6. Step 6: Final answer
    x = 145,574.66

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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.