Home / 256,297.32-384,528.24-123,187.23

Finding the Fourth Proportional to 256,297.32, 384,528.24 and 123,187.23

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Solution

The fourth proportional to 256,297.32, 384,528.24 and 123,187.23 is: 184,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,297.32 : 384,528.24 = 123,187.23 : x
  2. Step 2: Convert to fraction form
    256,297.32/384,528.24 = 123,187.23/x
  3. Step 3: Cross multiply
    256,297.32x = 384,528.24 × 123,187.23
  4. Step 4: Simplify right side
    256,297.32x = 47,368,968,742.38
  5. Step 5: Solve for x
    x = 47,368,968,742.38/256,297.32
  6. Step 6: Final answer
    x = 184,820.38

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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.