Home / 358,020.90-536,946.48-133,486.74

Finding the Fourth Proportional to 358,020.90, 536,946.48 and 133,486.74

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Solution

The fourth proportional to 358,020.90, 536,946.48 and 133,486.74 is: 200,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,020.90 : 536,946.48 = 133,486.74 : x
  2. Step 2: Convert to fraction form
    358,020.90/536,946.48 = 133,486.74/x
  3. Step 3: Cross multiply
    358,020.90x = 536,946.48 × 133,486.74
  4. Step 4: Simplify right side
    358,020.90x = 71,675,235,169.68
  5. Step 5: Solve for x
    x = 71,675,235,169.68/358,020.90
  6. Step 6: Final answer
    x = 200,198.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.