Home / 149,205.12-223,808.48-55,710.08

Finding the Fourth Proportional to 149,205.12, 223,808.48 and 55,710.08

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Solution

The fourth proportional to 149,205.12, 223,808.48 and 55,710.08 is: 83,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,205.12 : 223,808.48 = 55,710.08 : x
  2. Step 2: Convert to fraction form
    149,205.12/223,808.48 = 55,710.08/x
  3. Step 3: Cross multiply
    149,205.12x = 223,808.48 × 55,710.08
  4. Step 4: Simplify right side
    149,205.12x = 12,468,388,325.48
  5. Step 5: Solve for x
    x = 12,468,388,325.48/149,205.12
  6. Step 6: Final answer
    x = 83,565.42

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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.