Home / 171,224.32-236,309.52-99,607.36

Finding the Fourth Proportional to 171,224.32, 236,309.52 and 99,607.36

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Solution

The fourth proportional to 171,224.32, 236,309.52 and 99,607.36 is: 137,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,224.32 : 236,309.52 = 99,607.36 : x
  2. Step 2: Convert to fraction form
    171,224.32/236,309.52 = 99,607.36/x
  3. Step 3: Cross multiply
    171,224.32x = 236,309.52 × 99,607.36
  4. Step 4: Simplify right side
    171,224.32x = 23,538,167,430.07
  5. Step 5: Solve for x
    x = 23,538,167,430.07/171,224.32
  6. Step 6: Final answer
    x = 137,469.77

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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.