Home / 175,985.80-242,731.35-115,534.38

Finding the Fourth Proportional to 175,985.80, 242,731.35 and 115,534.38

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Solution

The fourth proportional to 175,985.80, 242,731.35 and 115,534.38 is: 159,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,985.80 : 242,731.35 = 115,534.38 : x
  2. Step 2: Convert to fraction form
    175,985.80/242,731.35 = 115,534.38/x
  3. Step 3: Cross multiply
    175,985.80x = 242,731.35 × 115,534.38
  4. Step 4: Simplify right side
    175,985.80x = 28,043,816,939.06
  5. Step 5: Solve for x
    x = 28,043,816,939.06/175,985.80
  6. Step 6: Final answer
    x = 159,352.73

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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.