Home / 185,638.82-256,137.67-105,066.35

Finding the Fourth Proportional to 185,638.82, 256,137.67 and 105,066.35

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Solution

The fourth proportional to 185,638.82, 256,137.67 and 105,066.35 is: 144,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,638.82 : 256,137.67 = 105,066.35 : x
  2. Step 2: Convert to fraction form
    185,638.82/256,137.67 = 105,066.35/x
  3. Step 3: Cross multiply
    185,638.82x = 256,137.67 × 105,066.35
  4. Step 4: Simplify right side
    185,638.82x = 26,911,449,559.07
  5. Step 5: Solve for x
    x = 26,911,449,559.07/185,638.82
  6. Step 6: Final answer
    x = 144,966.71

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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.