Home / 319,795.71-479,944.25-223,104.13

Finding the Fourth Proportional to 319,795.71, 479,944.25 and 223,104.13

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Solution

The fourth proportional to 319,795.71, 479,944.25 and 223,104.13 is: 334,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,795.71 : 479,944.25 = 223,104.13 : x
  2. Step 2: Convert to fraction form
    319,795.71/479,944.25 = 223,104.13/x
  3. Step 3: Cross multiply
    319,795.71x = 479,944.25 × 223,104.13
  4. Step 4: Simplify right side
    319,795.71x = 107,077,544,344.75
  5. Step 5: Solve for x
    x = 107,077,544,344.75/319,795.71
  6. Step 6: Final answer
    x = 334,831.08

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1.5x scale

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.