Home / 150,880.02-208,213.74-82,901.21

Finding the Fourth Proportional to 150,880.02, 208,213.74 and 82,901.21

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Solution

The fourth proportional to 150,880.02, 208,213.74 and 82,901.21 is: 114,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,880.02 : 208,213.74 = 82,901.21 : x
  2. Step 2: Convert to fraction form
    150,880.02/208,213.74 = 82,901.21/x
  3. Step 3: Cross multiply
    150,880.02x = 208,213.74 × 82,901.21
  4. Step 4: Simplify right side
    150,880.02x = 17,261,169,943.56
  5. Step 5: Solve for x
    x = 17,261,169,943.56/150,880.02
  6. Step 6: Final answer
    x = 114,403.29

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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.