Home / 110,279.08-152,063.57-76,228.45

Finding the Fourth Proportional to 110,279.08, 152,063.57 and 76,228.45

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Solution

The fourth proportional to 110,279.08, 152,063.57 and 76,228.45 is: 105,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,279.08 : 152,063.57 = 76,228.45 : x
  2. Step 2: Convert to fraction form
    110,279.08/152,063.57 = 76,228.45/x
  3. Step 3: Cross multiply
    110,279.08x = 152,063.57 × 76,228.45
  4. Step 4: Simplify right side
    110,279.08x = 11,591,569,623.92
  5. Step 5: Solve for x
    x = 11,591,569,623.92/110,279.08
  6. Step 6: Final answer
    x = 105,111.23

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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.