Home / 438,256.58-657,088.23-171,850.82

Finding the Fourth Proportional to 438,256.58, 657,088.23 and 171,850.82

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Solution

The fourth proportional to 438,256.58, 657,088.23 and 171,850.82 is: 257,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,256.58 : 657,088.23 = 171,850.82 : x
  2. Step 2: Convert to fraction form
    438,256.58/657,088.23 = 171,850.82/x
  3. Step 3: Cross multiply
    438,256.58x = 657,088.23 × 171,850.82
  4. Step 4: Simplify right side
    438,256.58x = 112,921,151,137.85
  5. Step 5: Solve for x
    x = 112,921,151,137.85/438,256.58
  6. Step 6: Final answer
    x = 257,659.91

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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.