Home / 171,303.16-236,385.62-99,670.80

Finding the Fourth Proportional to 171,303.16, 236,385.62 and 99,670.80

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Solution

The fourth proportional to 171,303.16, 236,385.62 and 99,670.80 is: 137,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,303.16 : 236,385.62 = 99,670.80 : x
  2. Step 2: Convert to fraction form
    171,303.16/236,385.62 = 99,670.80/x
  3. Step 3: Cross multiply
    171,303.16x = 236,385.62 × 99,670.80
  4. Step 4: Simplify right side
    171,303.16x = 23,560,743,853.90
  5. Step 5: Solve for x
    x = 23,560,743,853.90/171,303.16
  6. Step 6: Final answer
    x = 137,538.29

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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.