Home / 254,336.40-350,988.48-139,625.64

Finding the Fourth Proportional to 254,336.40, 350,988.48 and 139,625.64

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Solution

The fourth proportional to 254,336.40, 350,988.48 and 139,625.64 is: 192,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,336.40 : 350,988.48 = 139,625.64 : x
  2. Step 2: Convert to fraction form
    254,336.40/350,988.48 = 139,625.64/x
  3. Step 3: Cross multiply
    254,336.40x = 350,988.48 × 139,625.64
  4. Step 4: Simplify right side
    254,336.40x = 49,006,991,152.63
  5. Step 5: Solve for x
    x = 49,006,991,152.63/254,336.40
  6. Step 6: Final answer
    x = 192,685.72

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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.