Home / 256,741.02-384,790.77-123,585.66

Finding the Fourth Proportional to 256,741.02, 384,790.77 and 123,585.66

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Solution

The fourth proportional to 256,741.02, 384,790.77 and 123,585.66 is: 185,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,741.02 : 384,790.77 = 123,585.66 : x
  2. Step 2: Convert to fraction form
    256,741.02/384,790.77 = 123,585.66/x
  3. Step 3: Cross multiply
    256,741.02x = 384,790.77 × 123,585.66
  4. Step 4: Simplify right side
    256,741.02x = 47,554,621,272.36
  5. Step 5: Solve for x
    x = 47,554,621,272.36/256,741.02
  6. Step 6: Final answer
    x = 185,224.09

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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.