Home / 346,820.77-478,611.28-193,858.80

Finding the Fourth Proportional to 346,820.77, 478,611.28 and 193,858.80

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Solution

The fourth proportional to 346,820.77, 478,611.28 and 193,858.80 is: 267,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,820.77 : 478,611.28 = 193,858.80 : x
  2. Step 2: Convert to fraction form
    346,820.77/478,611.28 = 193,858.80/x
  3. Step 3: Cross multiply
    346,820.77x = 478,611.28 × 193,858.80
  4. Step 4: Simplify right side
    346,820.77x = 92,783,005,529.56
  5. Step 5: Solve for x
    x = 92,783,005,529.56/346,820.77
  6. Step 6: Final answer
    x = 267,524.36

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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.