Home / 215,587.79-323,602.36-178,028.19

Finding the Fourth Proportional to 215,587.79, 323,602.36 and 178,028.19

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Solution

The fourth proportional to 215,587.79, 323,602.36 and 178,028.19 is: 267,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,587.79 : 323,602.36 = 178,028.19 : x
  2. Step 2: Convert to fraction form
    215,587.79/323,602.36 = 178,028.19/x
  3. Step 3: Cross multiply
    215,587.79x = 323,602.36 × 178,028.19
  4. Step 4: Simplify right side
    215,587.79x = 57,610,341,985.46
  5. Step 5: Solve for x
    x = 57,610,341,985.46/215,587.79
  6. Step 6: Final answer
    x = 267,224.51

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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.