Home / 283,559.08-391,328.94-156,234.64

Finding the Fourth Proportional to 283,559.08, 391,328.94 and 156,234.64

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Solution

The fourth proportional to 283,559.08, 391,328.94 and 156,234.64 is: 215,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,559.08 : 391,328.94 = 156,234.64 : x
  2. Step 2: Convert to fraction form
    283,559.08/391,328.94 = 156,234.64/x
  3. Step 3: Cross multiply
    283,559.08x = 391,328.94 × 156,234.64
  4. Step 4: Simplify right side
    283,559.08x = 61,139,136,062.48
  5. Step 5: Solve for x
    x = 61,139,136,062.48/283,559.08
  6. Step 6: Final answer
    x = 215,613.40

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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.