Home / 140,172.48-193,492.26-83,588.04

Finding the Fourth Proportional to 140,172.48, 193,492.26 and 83,588.04

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Solution

The fourth proportional to 140,172.48, 193,492.26 and 83,588.04 is: 115,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,172.48 : 193,492.26 = 83,588.04 : x
  2. Step 2: Convert to fraction form
    140,172.48/193,492.26 = 83,588.04/x
  3. Step 3: Cross multiply
    140,172.48x = 193,492.26 × 83,588.04
  4. Step 4: Simplify right side
    140,172.48x = 16,173,638,768.57
  5. Step 5: Solve for x
    x = 16,173,638,768.57/140,172.48
  6. Step 6: Final answer
    x = 115,383.84

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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.