Home / 171,252.65-236,376.21-99,646.56

Finding the Fourth Proportional to 171,252.65, 236,376.21 and 99,646.56

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Solution

The fourth proportional to 171,252.65, 236,376.21 and 99,646.56 is: 137,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,252.65 : 236,376.21 = 99,646.56 : x
  2. Step 2: Convert to fraction form
    171,252.65/236,376.21 = 99,646.56/x
  3. Step 3: Cross multiply
    171,252.65x = 236,376.21 × 99,646.56
  4. Step 4: Simplify right side
    171,252.65x = 23,554,076,192.34
  5. Step 5: Solve for x
    x = 23,554,076,192.34/171,252.65
  6. Step 6: Final answer
    x = 137,539.93

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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.