Home / 114,024.60-171,036.90-76,699.80

Finding the Fourth Proportional to 114,024.60, 171,036.90 and 76,699.80

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Solution

The fourth proportional to 114,024.60, 171,036.90 and 76,699.80 is: 115,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,024.60 : 171,036.90 = 76,699.80 : x
  2. Step 2: Convert to fraction form
    114,024.60/171,036.90 = 76,699.80/x
  3. Step 3: Cross multiply
    114,024.60x = 171,036.90 × 76,699.80
  4. Step 4: Simplify right side
    114,024.60x = 13,118,496,022.62
  5. Step 5: Solve for x
    x = 13,118,496,022.62/114,024.60
  6. Step 6: Final answer
    x = 115,049.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.