Home / 146,623.06-202,339.11-79,555.06

Finding the Fourth Proportional to 146,623.06, 202,339.11 and 79,555.06

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Solution

The fourth proportional to 146,623.06, 202,339.11 and 79,555.06 is: 109,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,623.06 : 202,339.11 = 79,555.06 : x
  2. Step 2: Convert to fraction form
    146,623.06/202,339.11 = 79,555.06/x
  3. Step 3: Cross multiply
    146,623.06x = 202,339.11 × 79,555.06
  4. Step 4: Simplify right side
    146,623.06x = 16,097,100,036.40
  5. Step 5: Solve for x
    x = 16,097,100,036.40/146,623.06
  6. Step 6: Final answer
    x = 109,785.60

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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.