Home / 185,808.33-256,317.21-117,705.15

Finding the Fourth Proportional to 185,808.33, 256,317.21 and 117,705.15

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Solution

The fourth proportional to 185,808.33, 256,317.21 and 117,705.15 is: 162,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,808.33 : 256,317.21 = 117,705.15 : x
  2. Step 2: Convert to fraction form
    185,808.33/256,317.21 = 117,705.15/x
  3. Step 3: Cross multiply
    185,808.33x = 256,317.21 × 117,705.15
  4. Step 4: Simplify right side
    185,808.33x = 30,169,855,650.63
  5. Step 5: Solve for x
    x = 30,169,855,650.63/185,808.33
  6. Step 6: Final answer
    x = 162,370.85

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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.