Home / 438,049.86-657,080.01-171,935.70

Finding the Fourth Proportional to 438,049.86, 657,080.01 and 171,935.70

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Solution

The fourth proportional to 438,049.86, 657,080.01 and 171,935.70 is: 257,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,049.86 : 657,080.01 = 171,935.70 : x
  2. Step 2: Convert to fraction form
    438,049.86/657,080.01 = 171,935.70/x
  3. Step 3: Cross multiply
    438,049.86x = 657,080.01 × 171,935.70
  4. Step 4: Simplify right side
    438,049.86x = 112,975,511,475.36
  5. Step 5: Solve for x
    x = 112,975,511,475.36/438,049.86
  6. Step 6: Final answer
    x = 257,905.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.