Home / 198,632.39-273,927.02-153,238.77

Finding the Fourth Proportional to 198,632.39, 273,927.02 and 153,238.77

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Solution

The fourth proportional to 198,632.39, 273,927.02 and 153,238.77 is: 211,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,632.39 : 273,927.02 = 153,238.77 : x
  2. Step 2: Convert to fraction form
    198,632.39/273,927.02 = 153,238.77/x
  3. Step 3: Cross multiply
    198,632.39x = 273,927.02 × 153,238.77
  4. Step 4: Simplify right side
    198,632.39x = 41,976,238,848.37
  5. Step 5: Solve for x
    x = 41,976,238,848.37/198,632.39
  6. Step 6: Final answer
    x = 211,326.26

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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.