Home / 264,613.96-396,927.42-77,631.40

Finding the Fourth Proportional to 264,613.96, 396,927.42 and 77,631.40

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Solution

The fourth proportional to 264,613.96, 396,927.42 and 77,631.40 is: 116,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,613.96 : 396,927.42 = 77,631.40 : x
  2. Step 2: Convert to fraction form
    264,613.96/396,927.42 = 77,631.40/x
  3. Step 3: Cross multiply
    264,613.96x = 396,927.42 × 77,631.40
  4. Step 4: Simplify right side
    264,613.96x = 30,814,031,312.99
  5. Step 5: Solve for x
    x = 30,814,031,312.99/264,613.96
  6. Step 6: Final answer
    x = 116,449.00

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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.