Home / 205,173.06-283,186.04-120,317.46

Finding the Fourth Proportional to 205,173.06, 283,186.04 and 120,317.46

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Solution

The fourth proportional to 205,173.06, 283,186.04 and 120,317.46 is: 166,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,173.06 : 283,186.04 = 120,317.46 : x
  2. Step 2: Convert to fraction form
    205,173.06/283,186.04 = 120,317.46/x
  3. Step 3: Cross multiply
    205,173.06x = 283,186.04 × 120,317.46
  4. Step 4: Simplify right side
    205,173.06x = 34,072,225,040.26
  5. Step 5: Solve for x
    x = 34,072,225,040.26/205,173.06
  6. Step 6: Final answer
    x = 166,065.78

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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.