Home / 185,945.22-256,599.36-105,370.74

Finding the Fourth Proportional to 185,945.22, 256,599.36 and 105,370.74

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Solution

The fourth proportional to 185,945.22, 256,599.36 and 105,370.74 is: 145,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,945.22 : 256,599.36 = 105,370.74 : x
  2. Step 2: Convert to fraction form
    185,945.22/256,599.36 = 105,370.74/x
  3. Step 3: Cross multiply
    185,945.22x = 256,599.36 × 105,370.74
  4. Step 4: Simplify right side
    185,945.22x = 27,038,064,446.73
  5. Step 5: Solve for x
    x = 27,038,064,446.73/185,945.22
  6. Step 6: Final answer
    x = 145,408.76

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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.