Home / 236,256.44-354,280.68-86,457.80

Finding the Fourth Proportional to 236,256.44, 354,280.68 and 86,457.80

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Solution

The fourth proportional to 236,256.44, 354,280.68 and 86,457.80 is: 129,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,256.44 : 354,280.68 = 86,457.80 : x
  2. Step 2: Convert to fraction form
    236,256.44/354,280.68 = 86,457.80/x
  3. Step 3: Cross multiply
    236,256.44x = 354,280.68 × 86,457.80
  4. Step 4: Simplify right side
    236,256.44x = 30,630,328,175.30
  5. Step 5: Solve for x
    x = 30,630,328,175.30/236,256.44
  6. Step 6: Final answer
    x = 129,648.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.