Home / 292,208.15-403,243.31-163,148.60

Finding the Fourth Proportional to 292,208.15, 403,243.31 and 163,148.60

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Solution

The fourth proportional to 292,208.15, 403,243.31 and 163,148.60 is: 225,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,208.15 : 403,243.31 = 163,148.60 : x
  2. Step 2: Convert to fraction form
    292,208.15/403,243.31 = 163,148.60/x
  3. Step 3: Cross multiply
    292,208.15x = 403,243.31 × 163,148.60
  4. Step 4: Simplify right side
    292,208.15x = 65,788,579,877.52
  5. Step 5: Solve for x
    x = 65,788,579,877.52/292,208.15
  6. Step 6: Final answer
    x = 225,142.87

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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.