Home / 114,519.78-157,933.75-71,503.15

Finding the Fourth Proportional to 114,519.78, 157,933.75 and 71,503.15

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Solution

The fourth proportional to 114,519.78, 157,933.75 and 71,503.15 is: 98,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,519.78 : 157,933.75 = 71,503.15 : x
  2. Step 2: Convert to fraction form
    114,519.78/157,933.75 = 71,503.15/x
  3. Step 3: Cross multiply
    114,519.78x = 157,933.75 × 71,503.15
  4. Step 4: Simplify right side
    114,519.78x = 11,292,760,258.80
  5. Step 5: Solve for x
    x = 11,292,760,258.80/114,519.78
  6. Step 6: Final answer
    x = 98,609.70

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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.