Home / 149,038.08-205,693.44-92,467.68

Finding the Fourth Proportional to 149,038.08, 205,693.44 and 92,467.68

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Solution

The fourth proportional to 149,038.08, 205,693.44 and 92,467.68 is: 127,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,038.08 : 205,693.44 = 92,467.68 : x
  2. Step 2: Convert to fraction form
    149,038.08/205,693.44 = 92,467.68/x
  3. Step 3: Cross multiply
    149,038.08x = 205,693.44 × 92,467.68
  4. Step 4: Simplify right side
    149,038.08x = 19,019,995,188.02
  5. Step 5: Solve for x
    x = 19,019,995,188.02/149,038.08
  6. Step 6: Final answer
    x = 127,618.36

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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.