Home / 317,708.13-438,066.82-236,995.55

Finding the Fourth Proportional to 317,708.13, 438,066.82 and 236,995.55

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Solution

The fourth proportional to 317,708.13, 438,066.82 and 236,995.55 is: 326,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,708.13 : 438,066.82 = 236,995.55 : x
  2. Step 2: Convert to fraction form
    317,708.13/438,066.82 = 236,995.55/x
  3. Step 3: Cross multiply
    317,708.13x = 438,066.82 × 236,995.55
  4. Step 4: Simplify right side
    317,708.13x = 103,819,886,942.65
  5. Step 5: Solve for x
    x = 103,819,886,942.65/317,708.13
  6. Step 6: Final answer
    x = 326,777.56

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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.