Home / 164,205.12-226,451.76-103,670.58

Finding the Fourth Proportional to 164,205.12, 226,451.76 and 103,670.58

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Solution

The fourth proportional to 164,205.12, 226,451.76 and 103,670.58 is: 142,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,205.12 : 226,451.76 = 103,670.58 : x
  2. Step 2: Convert to fraction form
    164,205.12/226,451.76 = 103,670.58/x
  3. Step 3: Cross multiply
    164,205.12x = 226,451.76 × 103,670.58
  4. Step 4: Simplify right side
    164,205.12x = 23,476,385,301.22
  5. Step 5: Solve for x
    x = 23,476,385,301.22/164,205.12
  6. Step 6: Final answer
    x = 142,969.87

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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.