Home / 112,256.55-154,914.09-61,268.35

Finding the Fourth Proportional to 112,256.55, 154,914.09 and 61,268.35

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Solution

The fourth proportional to 112,256.55, 154,914.09 and 61,268.35 is: 84,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.55 : 154,914.09 = 61,268.35 : x
  2. Step 2: Convert to fraction form
    112,256.55/154,914.09 = 61,268.35/x
  3. Step 3: Cross multiply
    112,256.55x = 154,914.09 × 61,268.35
  4. Step 4: Simplify right side
    112,256.55x = 9,491,330,876.43
  5. Step 5: Solve for x
    x = 9,491,330,876.43/112,256.55
  6. Step 6: Final answer
    x = 84,550.36

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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.