Home / 125,783.04-188,519.04-63,471.36

Finding the Fourth Proportional to 125,783.04, 188,519.04 and 63,471.36

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Solution

The fourth proportional to 125,783.04, 188,519.04 and 63,471.36 is: 95,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,783.04 : 188,519.04 = 63,471.36 : x
  2. Step 2: Convert to fraction form
    125,783.04/188,519.04 = 63,471.36/x
  3. Step 3: Cross multiply
    125,783.04x = 188,519.04 × 63,471.36
  4. Step 4: Simplify right side
    125,783.04x = 11,965,559,854.69
  5. Step 5: Solve for x
    x = 11,965,559,854.69/125,783.04
  6. Step 6: Final answer
    x = 95,128.56

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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.