Home / 125,357.04-187,858.77-69,222.42

Finding the Fourth Proportional to 125,357.04, 187,858.77 and 69,222.42

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Solution

The fourth proportional to 125,357.04, 187,858.77 and 69,222.42 is: 103,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,357.04 : 187,858.77 = 69,222.42 : x
  2. Step 2: Convert to fraction form
    125,357.04/187,858.77 = 69,222.42/x
  3. Step 3: Cross multiply
    125,357.04x = 187,858.77 × 69,222.42
  4. Step 4: Simplify right side
    125,357.04x = 13,004,038,677.62
  5. Step 5: Solve for x
    x = 13,004,038,677.62/125,357.04
  6. Step 6: Final answer
    x = 103,736.01

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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.