Home / 106,739.58-147,279.69-64,300.44

Finding the Fourth Proportional to 106,739.58, 147,279.69 and 64,300.44

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Solution

The fourth proportional to 106,739.58, 147,279.69 and 64,300.44 is: 88,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,739.58 : 147,279.69 = 64,300.44 : x
  2. Step 2: Convert to fraction form
    106,739.58/147,279.69 = 64,300.44/x
  3. Step 3: Cross multiply
    106,739.58x = 147,279.69 × 64,300.44
  4. Step 4: Simplify right side
    106,739.58x = 9,470,148,870.06
  5. Step 5: Solve for x
    x = 9,470,148,870.06/106,739.58
  6. Step 6: Final answer
    x = 88,722.00

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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.