Home / 112,036.20-168,054.30-70,564.20

Finding the Fourth Proportional to 112,036.20, 168,054.30 and 70,564.20

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Solution

The fourth proportional to 112,036.20, 168,054.30 and 70,564.20 is: 105,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.20 : 168,054.30 = 70,564.20 : x
  2. Step 2: Convert to fraction form
    112,036.20/168,054.30 = 70,564.20/x
  3. Step 3: Cross multiply
    112,036.20x = 168,054.30 × 70,564.20
  4. Step 4: Simplify right side
    112,036.20x = 11,858,617,236.06
  5. Step 5: Solve for x
    x = 11,858,617,236.06/112,036.20
  6. Step 6: Final answer
    x = 105,846.30

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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.