Home / 353,291.09-487,527.66-192,146.04

Finding the Fourth Proportional to 353,291.09, 487,527.66 and 192,146.04

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Solution

The fourth proportional to 353,291.09, 487,527.66 and 192,146.04 is: 265,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,291.09 : 487,527.66 = 192,146.04 : x
  2. Step 2: Convert to fraction form
    353,291.09/487,527.66 = 192,146.04/x
  3. Step 3: Cross multiply
    353,291.09x = 487,527.66 × 192,146.04
  4. Step 4: Simplify right side
    353,291.09x = 93,676,509,259.47
  5. Step 5: Solve for x
    x = 93,676,509,259.47/353,291.09
  6. Step 6: Final answer
    x = 265,153.90

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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.