Home / 292,726.48-403,957.28-165,399.36

Finding the Fourth Proportional to 292,726.48, 403,957.28 and 165,399.36

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Solution

The fourth proportional to 292,726.48, 403,957.28 and 165,399.36 is: 228,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,726.48 : 403,957.28 = 165,399.36 : x
  2. Step 2: Convert to fraction form
    292,726.48/403,957.28 = 165,399.36/x
  3. Step 3: Cross multiply
    292,726.48x = 403,957.28 × 165,399.36
  4. Step 4: Simplify right side
    292,726.48x = 66,814,275,579.34
  5. Step 5: Solve for x
    x = 66,814,275,579.34/292,726.48
  6. Step 6: Final answer
    x = 228,248.14

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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.