Home / 283,617.45-391,242.15-168,814.53

Finding the Fourth Proportional to 283,617.45, 391,242.15 and 168,814.53

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Solution

The fourth proportional to 283,617.45, 391,242.15 and 168,814.53 is: 232,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,617.45 : 391,242.15 = 168,814.53 : x
  2. Step 2: Convert to fraction form
    283,617.45/391,242.15 = 168,814.53/x
  3. Step 3: Cross multiply
    283,617.45x = 391,242.15 × 168,814.53
  4. Step 4: Simplify right side
    283,617.45x = 66,047,359,668.44
  5. Step 5: Solve for x
    x = 66,047,359,668.44/283,617.45
  6. Step 6: Final answer
    x = 232,874.81

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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.