Home / 438,257.58-657,089.73-171,851.82

Finding the Fourth Proportional to 438,257.58, 657,089.73 and 171,851.82

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Solution

The fourth proportional to 438,257.58, 657,089.73 and 171,851.82 is: 257,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,257.58 : 657,089.73 = 171,851.82 : x
  2. Step 2: Convert to fraction form
    438,257.58/657,089.73 = 171,851.82/x
  3. Step 3: Cross multiply
    438,257.58x = 657,089.73 × 171,851.82
  4. Step 4: Simplify right side
    438,257.58x = 112,922,066,003.81
  5. Step 5: Solve for x
    x = 112,922,066,003.81/438,257.58
  6. Step 6: Final answer
    x = 257,661.41

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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.