Home / 190,097.75-262,343.18-105,214.79

Finding the Fourth Proportional to 190,097.75, 262,343.18 and 105,214.79

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Solution

The fourth proportional to 190,097.75, 262,343.18 and 105,214.79 is: 145,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,097.75 : 262,343.18 = 105,214.79 : x
  2. Step 2: Convert to fraction form
    190,097.75/262,343.18 = 105,214.79/x
  3. Step 3: Cross multiply
    190,097.75x = 262,343.18 × 105,214.79
  4. Step 4: Simplify right side
    190,097.75x = 27,602,383,510.53
  5. Step 5: Solve for x
    x = 27,602,383,510.53/190,097.75
  6. Step 6: Final answer
    x = 145,201.00

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1.5x scale

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.