Home / 454,256.89-681,518.37-134,416.84

Finding the Fourth Proportional to 454,256.89, 681,518.37 and 134,416.84

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Solution

The fourth proportional to 454,256.89, 681,518.37 and 134,416.84 is: 201,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,256.89 : 681,518.37 = 134,416.84 : x
  2. Step 2: Convert to fraction form
    454,256.89/681,518.37 = 134,416.84/x
  3. Step 3: Cross multiply
    454,256.89x = 681,518.37 × 134,416.84
  4. Step 4: Simplify right side
    454,256.89x = 91,607,545,697.35
  5. Step 5: Solve for x
    x = 91,607,545,697.35/454,256.89
  6. Step 6: Final answer
    x = 201,664.63

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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.