Home / 112,054.20-168,081.30-70,582.20

Finding the Fourth Proportional to 112,054.20, 168,081.30 and 70,582.20

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Solution

The fourth proportional to 112,054.20, 168,081.30 and 70,582.20 is: 105,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,054.20 : 168,081.30 = 70,582.20 : x
  2. Step 2: Convert to fraction form
    112,054.20/168,081.30 = 70,582.20/x
  3. Step 3: Cross multiply
    112,054.20x = 168,081.30 × 70,582.20
  4. Step 4: Simplify right side
    112,054.20x = 11,863,547,932.86
  5. Step 5: Solve for x
    x = 11,863,547,932.86/112,054.20
  6. Step 6: Final answer
    x = 105,873.30

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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.