Home / 283,617.24-391,389.92-156,292.94

Finding the Fourth Proportional to 283,617.24, 391,389.92 and 156,292.94

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Solution

The fourth proportional to 283,617.24, 391,389.92 and 156,292.94 is: 215,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,617.24 : 391,389.92 = 156,292.94 : x
  2. Step 2: Convert to fraction form
    283,617.24/391,389.92 = 156,292.94/x
  3. Step 3: Cross multiply
    283,617.24x = 391,389.92 × 156,292.94
  4. Step 4: Simplify right side
    283,617.24x = 61,171,478,544.75
  5. Step 5: Solve for x
    x = 61,171,478,544.75/283,617.24
  6. Step 6: Final answer
    x = 215,683.22

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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.