Home / 112,112.84-168,210.27-52,169.91

Finding the Fourth Proportional to 112,112.84, 168,210.27 and 52,169.91

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Solution

The fourth proportional to 112,112.84, 168,210.27 and 52,169.91 is: 78,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,112.84 : 168,210.27 = 52,169.91 : x
  2. Step 2: Convert to fraction form
    112,112.84/168,210.27 = 52,169.91/x
  3. Step 3: Cross multiply
    112,112.84x = 168,210.27 × 52,169.91
  4. Step 4: Simplify right side
    112,112.84x = 8,775,514,016.19
  5. Step 5: Solve for x
    x = 8,775,514,016.19/112,112.84
  6. Step 6: Final answer
    x = 78,273.94

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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.