Home / 188,421.08-282,633.24-55,303.52

Finding the Fourth Proportional to 188,421.08, 282,633.24 and 55,303.52

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Solution

The fourth proportional to 188,421.08, 282,633.24 and 55,303.52 is: 82,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,421.08 : 282,633.24 = 55,303.52 : x
  2. Step 2: Convert to fraction form
    188,421.08/282,633.24 = 55,303.52/x
  3. Step 3: Cross multiply
    188,421.08x = 282,633.24 × 55,303.52
  4. Step 4: Simplify right side
    188,421.08x = 15,630,613,041.00
  5. Step 5: Solve for x
    x = 15,630,613,041.00/188,421.08
  6. Step 6: Final answer
    x = 82,955.76

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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.