Home / 140,212.53-193,492.29-76,550.33

Finding the Fourth Proportional to 140,212.53, 193,492.29 and 76,550.33

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Solution

The fourth proportional to 140,212.53, 193,492.29 and 76,550.33 is: 105,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,212.53 : 193,492.29 = 76,550.33 : x
  2. Step 2: Convert to fraction form
    140,212.53/193,492.29 = 76,550.33/x
  3. Step 3: Cross multiply
    140,212.53x = 193,492.29 × 76,550.33
  4. Step 4: Simplify right side
    140,212.53x = 14,811,897,752.02
  5. Step 5: Solve for x
    x = 14,811,897,752.02/140,212.53
  6. Step 6: Final answer
    x = 105,638.90

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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.