Home / 171,607.10-236,677.39-120,788.06

Finding the Fourth Proportional to 171,607.10, 236,677.39 and 120,788.06

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Solution

The fourth proportional to 171,607.10, 236,677.39 and 120,788.06 is: 166,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607.10 : 236,677.39 = 120,788.06 : x
  2. Step 2: Convert to fraction form
    171,607.10/236,677.39 = 120,788.06/x
  3. Step 3: Cross multiply
    171,607.10x = 236,677.39 × 120,788.06
  4. Step 4: Simplify right side
    171,607.10x = 28,587,803,073.69
  5. Step 5: Solve for x
    x = 28,587,803,073.69/171,607.10
  6. Step 6: Final answer
    x = 166,588.69

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1.5x scale

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.