Home / 248,918-343,532.76-153,422.24

Finding the Fourth Proportional to 248,918, 343,532.76 and 153,422.24

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Solution

The fourth proportional to 248,918, 343,532.76 and 153,422.24 is: 211,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,918 : 343,532.76 = 153,422.24 : x
  2. Step 2: Convert to fraction form
    248,918/343,532.76 = 153,422.24/x
  3. Step 3: Cross multiply
    248,918x = 343,532.76 × 153,422.24
  4. Step 4: Simplify right side
    248,918x = 52,705,565,552.58
  5. Step 5: Solve for x
    x = 52,705,565,552.58/248,918
  6. Step 6: Final answer
    x = 211,738.67

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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.