Home / 110,314.08-152,150.01-76,379.37

Finding the Fourth Proportional to 110,314.08, 152,150.01 and 76,379.37

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Solution

The fourth proportional to 110,314.08, 152,150.01 and 76,379.37 is: 105,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,314.08 : 152,150.01 = 76,379.37 : x
  2. Step 2: Convert to fraction form
    110,314.08/152,150.01 = 76,379.37/x
  3. Step 3: Cross multiply
    110,314.08x = 152,150.01 × 76,379.37
  4. Step 4: Simplify right side
    110,314.08x = 11,621,121,909.29
  5. Step 5: Solve for x
    x = 11,621,121,909.29/110,314.08
  6. Step 6: Final answer
    x = 105,345.77

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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.