Home / 150,221.63-207,305.85-83,153.63

Finding the Fourth Proportional to 150,221.63, 207,305.85 and 83,153.63

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Solution

The fourth proportional to 150,221.63, 207,305.85 and 83,153.63 is: 114,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,221.63 : 207,305.85 = 83,153.63 : x
  2. Step 2: Convert to fraction form
    150,221.63/207,305.85 = 83,153.63/x
  3. Step 3: Cross multiply
    150,221.63x = 207,305.85 × 83,153.63
  4. Step 4: Simplify right side
    150,221.63x = 17,238,233,947.74
  5. Step 5: Solve for x
    x = 17,238,233,947.74/150,221.63
  6. Step 6: Final answer
    x = 114,752.01

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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.