Home / 171,278.40-236,332.44-99,632.28

Finding the Fourth Proportional to 171,278.40, 236,332.44 and 99,632.28

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Solution

The fourth proportional to 171,278.40, 236,332.44 and 99,632.28 is: 137,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,278.40 : 236,332.44 = 99,632.28 : x
  2. Step 2: Convert to fraction form
    171,278.40/236,332.44 = 99,632.28/x
  3. Step 3: Cross multiply
    171,278.40x = 236,332.44 × 99,632.28
  4. Step 4: Simplify right side
    171,278.40x = 23,546,339,835.16
  5. Step 5: Solve for x
    x = 23,546,339,835.16/171,278.40
  6. Step 6: Final answer
    x = 137,474.08

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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.