Home / 124,880.56-172,350.95-81,896.22

Finding the Fourth Proportional to 124,880.56, 172,350.95 and 81,896.22

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Solution

The fourth proportional to 124,880.56, 172,350.95 and 81,896.22 is: 113,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,880.56 : 172,350.95 = 81,896.22 : x
  2. Step 2: Convert to fraction form
    124,880.56/172,350.95 = 81,896.22/x
  3. Step 3: Cross multiply
    124,880.56x = 172,350.95 × 81,896.22
  4. Step 4: Simplify right side
    124,880.56x = 14,114,891,523.15
  5. Step 5: Solve for x
    x = 14,114,891,523.15/124,880.56
  6. Step 6: Final answer
    x = 113,027.13

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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.