Home / 123,008.08-184,570.40-73,186.60

Finding the Fourth Proportional to 123,008.08, 184,570.40 and 73,186.60

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Solution

The fourth proportional to 123,008.08, 184,570.40 and 73,186.60 is: 109,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008.08 : 184,570.40 = 73,186.60 : x
  2. Step 2: Convert to fraction form
    123,008.08/184,570.40 = 73,186.60/x
  3. Step 3: Cross multiply
    123,008.08x = 184,570.40 × 73,186.60
  4. Step 4: Simplify right side
    123,008.08x = 13,508,080,036.64
  5. Step 5: Solve for x
    x = 13,508,080,036.64/123,008.08
  6. Step 6: Final answer
    x = 109,814.58

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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.