Home / 109,549.86-150,813.27-104,534.34

Finding the Fourth Proportional to 109,549.86, 150,813.27 and 104,534.34

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Solution

The fourth proportional to 109,549.86, 150,813.27 and 104,534.34 is: 143,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,549.86 : 150,813.27 = 104,534.34 : x
  2. Step 2: Convert to fraction form
    109,549.86/150,813.27 = 104,534.34/x
  3. Step 3: Cross multiply
    109,549.86x = 150,813.27 × 104,534.34
  4. Step 4: Simplify right side
    109,549.86x = 15,765,165,642.69
  5. Step 5: Solve for x
    x = 15,765,165,642.69/109,549.86
  6. Step 6: Final answer
    x = 143,908.59

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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.