Home / 331,916.76-497,719.44-121,407.48

Finding the Fourth Proportional to 331,916.76, 497,719.44 and 121,407.48

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Solution

The fourth proportional to 331,916.76, 497,719.44 and 121,407.48 is: 182,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,916.76 : 497,719.44 = 121,407.48 : x
  2. Step 2: Convert to fraction form
    331,916.76/497,719.44 = 121,407.48/x
  3. Step 3: Cross multiply
    331,916.76x = 497,719.44 × 121,407.48
  4. Step 4: Simplify right side
    331,916.76x = 60,426,862,957.41
  5. Step 5: Solve for x
    x = 60,426,862,957.41/331,916.76
  6. Step 6: Final answer
    x = 182,054.27

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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.