Home / 353,233.28-487,465.35-192,091.81

Finding the Fourth Proportional to 353,233.28, 487,465.35 and 192,091.81

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Solution

The fourth proportional to 353,233.28, 487,465.35 and 192,091.81 is: 265,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,233.28 : 487,465.35 = 192,091.81 : x
  2. Step 2: Convert to fraction form
    353,233.28/487,465.35 = 192,091.81/x
  3. Step 3: Cross multiply
    353,233.28x = 487,465.35 × 192,091.81
  4. Step 4: Simplify right side
    353,233.28x = 93,638,101,393.78
  5. Step 5: Solve for x
    x = 93,638,101,393.78/353,233.28
  6. Step 6: Final answer
    x = 265,088.56

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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.