Home / 112,215.36-168,182.71-56,071.23

Finding the Fourth Proportional to 112,215.36, 168,182.71 and 56,071.23

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Solution

The fourth proportional to 112,215.36, 168,182.71 and 56,071.23 is: 84,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,215.36 : 168,182.71 = 56,071.23 : x
  2. Step 2: Convert to fraction form
    112,215.36/168,182.71 = 56,071.23/x
  3. Step 3: Cross multiply
    112,215.36x = 168,182.71 × 56,071.23
  4. Step 4: Simplify right side
    112,215.36x = 9,430,211,414.43
  5. Step 5: Solve for x
    x = 9,430,211,414.43/112,215.36
  6. Step 6: Final answer
    x = 84,036.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.