Home / 185,672.21-256,155.90-105,081.26

Finding the Fourth Proportional to 185,672.21, 256,155.90 and 105,081.26

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Solution

The fourth proportional to 185,672.21, 256,155.90 and 105,081.26 is: 144,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,672.21 : 256,155.90 = 105,081.26 : x
  2. Step 2: Convert to fraction form
    185,672.21/256,155.90 = 105,081.26/x
  3. Step 3: Cross multiply
    185,672.21x = 256,155.90 × 105,081.26
  4. Step 4: Simplify right side
    185,672.21x = 26,917,184,728.43
  5. Step 5: Solve for x
    x = 26,917,184,728.43/185,672.21
  6. Step 6: Final answer
    x = 144,971.53

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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.