Home / 141,477.57-195,237.10-76,945.40

Finding the Fourth Proportional to 141,477.57, 195,237.10 and 76,945.40

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Solution

The fourth proportional to 141,477.57, 195,237.10 and 76,945.40 is: 106,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,477.57 : 195,237.10 = 76,945.40 : x
  2. Step 2: Convert to fraction form
    141,477.57/195,237.10 = 76,945.40/x
  3. Step 3: Cross multiply
    141,477.57x = 195,237.10 × 76,945.40
  4. Step 4: Simplify right side
    141,477.57x = 15,022,596,606.48
  5. Step 5: Solve for x
    x = 15,022,596,606.48/141,477.57
  6. Step 6: Final answer
    x = 106,183.59

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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.