Home / 132,941.54-183,455.34-72,513.38

Finding the Fourth Proportional to 132,941.54, 183,455.34 and 72,513.38

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Solution

The fourth proportional to 132,941.54, 183,455.34 and 72,513.38 is: 100,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.54 : 183,455.34 = 72,513.38 : x
  2. Step 2: Convert to fraction form
    132,941.54/183,455.34 = 72,513.38/x
  3. Step 3: Cross multiply
    132,941.54x = 183,455.34 × 72,513.38
  4. Step 4: Simplify right side
    132,941.54x = 13,302,966,782.45
  5. Step 5: Solve for x
    x = 13,302,966,782.45/132,941.54
  6. Step 6: Final answer
    x = 100,066.29

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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.