Home / 238,509.08-328,795.80-166,666.04

Finding the Fourth Proportional to 238,509.08, 328,795.80 and 166,666.04

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Solution

The fourth proportional to 238,509.08, 328,795.80 and 166,666.04 is: 229,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,509.08 : 328,795.80 = 166,666.04 : x
  2. Step 2: Convert to fraction form
    238,509.08/328,795.80 = 166,666.04/x
  3. Step 3: Cross multiply
    238,509.08x = 328,795.80 × 166,666.04
  4. Step 4: Simplify right side
    238,509.08x = 54,799,093,954.63
  5. Step 5: Solve for x
    x = 54,799,093,954.63/238,509.08
  6. Step 6: Final answer
    x = 229,756.85

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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.