Home / 141,586.12-195,378.78-84,222.28

Finding the Fourth Proportional to 141,586.12, 195,378.78 and 84,222.28

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Solution

The fourth proportional to 141,586.12, 195,378.78 and 84,222.28 is: 116,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,586.12 : 195,378.78 = 84,222.28 : x
  2. Step 2: Convert to fraction form
    141,586.12/195,378.78 = 84,222.28/x
  3. Step 3: Cross multiply
    141,586.12x = 195,378.78 × 84,222.28
  4. Step 4: Simplify right side
    141,586.12x = 16,455,246,315.22
  5. Step 5: Solve for x
    x = 16,455,246,315.22/141,586.12
  6. Step 6: Final answer
    x = 116,220.76

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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.