Home / 292,629.16-403,830.18-158,493.16

Finding the Fourth Proportional to 292,629.16, 403,830.18 and 158,493.16

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Solution

The fourth proportional to 292,629.16, 403,830.18 and 158,493.16 is: 218,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,629.16 : 403,830.18 = 158,493.16 : x
  2. Step 2: Convert to fraction form
    292,629.16/403,830.18 = 158,493.16/x
  3. Step 3: Cross multiply
    292,629.16x = 403,830.18 × 158,493.16
  4. Step 4: Simplify right side
    292,629.16x = 64,004,321,331.57
  5. Step 5: Solve for x
    x = 64,004,321,331.57/292,629.16
  6. Step 6: Final answer
    x = 218,721.61

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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.