Home / 190,352.73-285,504.02-90,576.32

Finding the Fourth Proportional to 190,352.73, 285,504.02 and 90,576.32

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Solution

The fourth proportional to 190,352.73, 285,504.02 and 90,576.32 is: 135,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,352.73 : 285,504.02 = 90,576.32 : x
  2. Step 2: Convert to fraction form
    190,352.73/285,504.02 = 90,576.32/x
  3. Step 3: Cross multiply
    190,352.73x = 285,504.02 × 90,576.32
  4. Step 4: Simplify right side
    190,352.73x = 25,859,903,476.81
  5. Step 5: Solve for x
    x = 25,859,903,476.81/190,352.73
  6. Step 6: Final answer
    x = 135,852.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.