Home / 353,631.36-488,012.16-192,486.40

Finding the Fourth Proportional to 353,631.36, 488,012.16 and 192,486.40

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Solution

The fourth proportional to 353,631.36, 488,012.16 and 192,486.40 is: 265,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,631.36 : 488,012.16 = 192,486.40 : x
  2. Step 2: Convert to fraction form
    353,631.36/488,012.16 = 192,486.40/x
  3. Step 3: Cross multiply
    353,631.36x = 488,012.16 × 192,486.40
  4. Step 4: Simplify right side
    353,631.36x = 93,935,703,834.62
  5. Step 5: Solve for x
    x = 93,935,703,834.62/353,631.36
  6. Step 6: Final answer
    x = 265,631.71

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1.5x scale

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.