Home / 141,612.08-195,408.63-83,465.01

Finding the Fourth Proportional to 141,612.08, 195,408.63 and 83,465.01

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Solution

The fourth proportional to 141,612.08, 195,408.63 and 83,465.01 is: 115,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,612.08 : 195,408.63 = 83,465.01 : x
  2. Step 2: Convert to fraction form
    141,612.08/195,408.63 = 83,465.01/x
  3. Step 3: Cross multiply
    141,612.08x = 195,408.63 × 83,465.01
  4. Step 4: Simplify right side
    141,612.08x = 16,309,783,257.04
  5. Step 5: Solve for x
    x = 16,309,783,257.04/141,612.08
  6. Step 6: Final answer
    x = 115,172.26

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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.