Home / 185,954.34-256,622.40-105,379.18

Finding the Fourth Proportional to 185,954.34, 256,622.40 and 105,379.18

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Solution

The fourth proportional to 185,954.34, 256,622.40 and 105,379.18 is: 145,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,954.34 : 256,622.40 = 105,379.18 : x
  2. Step 2: Convert to fraction form
    185,954.34/256,622.40 = 105,379.18/x
  3. Step 3: Cross multiply
    185,954.34x = 256,622.40 × 105,379.18
  4. Step 4: Simplify right side
    185,954.34x = 27,042,658,081.63
  5. Step 5: Solve for x
    x = 27,042,658,081.63/185,954.34
  6. Step 6: Final answer
    x = 145,426.33

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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.