Home / 114,400.68-157,819.53-71,982.60

Finding the Fourth Proportional to 114,400.68, 157,819.53 and 71,982.60

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Solution

The fourth proportional to 114,400.68, 157,819.53 and 71,982.60 is: 99,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,400.68 : 157,819.53 = 71,982.60 : x
  2. Step 2: Convert to fraction form
    114,400.68/157,819.53 = 71,982.60/x
  3. Step 3: Cross multiply
    114,400.68x = 157,819.53 × 71,982.60
  4. Step 4: Simplify right side
    114,400.68x = 11,360,260,100.18
  5. Step 5: Solve for x
    x = 11,360,260,100.18/114,400.68
  6. Step 6: Final answer
    x = 99,302.38

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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.