Home / 446,156.69-669,234.99-130,613.58

Finding the Fourth Proportional to 446,156.69, 669,234.99 and 130,613.58

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Solution

The fourth proportional to 446,156.69, 669,234.99 and 130,613.58 is: 195,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,156.69 : 669,234.99 = 130,613.58 : x
  2. Step 2: Convert to fraction form
    446,156.69/669,234.99 = 130,613.58/x
  3. Step 3: Cross multiply
    446,156.69x = 669,234.99 × 130,613.58
  4. Step 4: Simplify right side
    446,156.69x = 87,411,177,905.16
  5. Step 5: Solve for x
    x = 87,411,177,905.16/446,156.69
  6. Step 6: Final answer
    x = 195,920.36

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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.