Home / 325,427.16-488,187.12-100,805.22

Finding the Fourth Proportional to 325,427.16, 488,187.12 and 100,805.22

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Solution

The fourth proportional to 325,427.16, 488,187.12 and 100,805.22 is: 151,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,427.16 : 488,187.12 = 100,805.22 : x
  2. Step 2: Convert to fraction form
    325,427.16/488,187.12 = 100,805.22/x
  3. Step 3: Cross multiply
    325,427.16x = 488,187.12 × 100,805.22
  4. Step 4: Simplify right side
    325,427.16x = 49,211,810,032.77
  5. Step 5: Solve for x
    x = 49,211,810,032.77/325,427.16
  6. Step 6: Final answer
    x = 151,222.20

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1.5x scale

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.