Home / 170,922.30-256,383.45-121,058.70

Finding the Fourth Proportional to 170,922.30, 256,383.45 and 121,058.70

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Solution

The fourth proportional to 170,922.30, 256,383.45 and 121,058.70 is: 181,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,922.30 : 256,383.45 = 121,058.70 : x
  2. Step 2: Convert to fraction form
    170,922.30/256,383.45 = 121,058.70/x
  3. Step 3: Cross multiply
    170,922.30x = 256,383.45 × 121,058.70
  4. Step 4: Simplify right side
    170,922.30x = 31,037,447,158.52
  5. Step 5: Solve for x
    x = 31,037,447,158.52/170,922.30
  6. Step 6: Final answer
    x = 181,588.05

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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.