Home / 114,403.50-157,679.65-76,094.55

Finding the Fourth Proportional to 114,403.50, 157,679.65 and 76,094.55

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Solution

The fourth proportional to 114,403.50, 157,679.65 and 76,094.55 is: 104,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,403.50 : 157,679.65 = 76,094.55 : x
  2. Step 2: Convert to fraction form
    114,403.50/157,679.65 = 76,094.55/x
  3. Step 3: Cross multiply
    114,403.50x = 157,679.65 × 76,094.55
  4. Step 4: Simplify right side
    114,403.50x = 11,998,562,106.03
  5. Step 5: Solve for x
    x = 11,998,562,106.03/114,403.50
  6. Step 6: Final answer
    x = 104,879.33

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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.