Home / 353,318.19-487,565.08-192,173.01

Finding the Fourth Proportional to 353,318.19, 487,565.08 and 192,173.01

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Solution

The fourth proportional to 353,318.19, 487,565.08 and 192,173.01 is: 265,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,318.19 : 487,565.08 = 192,173.01 : x
  2. Step 2: Convert to fraction form
    353,318.19/487,565.08 = 192,173.01/x
  3. Step 3: Cross multiply
    353,318.19x = 487,565.08 × 192,173.01
  4. Step 4: Simplify right side
    353,318.19x = 93,696,848,994.49
  5. Step 5: Solve for x
    x = 93,696,848,994.49/353,318.19
  6. Step 6: Final answer
    x = 265,191.13

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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.