Home / 190,219.74-285,012.81-123,576.54

Finding the Fourth Proportional to 190,219.74, 285,012.81 and 123,576.54

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Solution

The fourth proportional to 190,219.74, 285,012.81 and 123,576.54 is: 185,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,219.74 : 285,012.81 = 123,576.54 : x
  2. Step 2: Convert to fraction form
    190,219.74/285,012.81 = 123,576.54/x
  3. Step 3: Cross multiply
    190,219.74x = 285,012.81 × 123,576.54
  4. Step 4: Simplify right side
    190,219.74x = 35,220,896,915.48
  5. Step 5: Solve for x
    x = 35,220,896,915.48/190,219.74
  6. Step 6: Final answer
    x = 185,159.00

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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.