Home / 236,859.84-326,856.78-140,126.40

Finding the Fourth Proportional to 236,859.84, 326,856.78 and 140,126.40

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Solution

The fourth proportional to 236,859.84, 326,856.78 and 140,126.40 is: 193,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,859.84 : 326,856.78 = 140,126.40 : x
  2. Step 2: Convert to fraction form
    236,859.84/326,856.78 = 140,126.40/x
  3. Step 3: Cross multiply
    236,859.84x = 326,856.78 × 140,126.40
  4. Step 4: Simplify right side
    236,859.84x = 45,801,263,896.99
  5. Step 5: Solve for x
    x = 45,801,263,896.99/236,859.84
  6. Step 6: Final answer
    x = 193,368.63

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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.