Home / 125,828.24-188,654.88-55,669.28

Finding the Fourth Proportional to 125,828.24, 188,654.88 and 55,669.28

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Solution

The fourth proportional to 125,828.24, 188,654.88 and 55,669.28 is: 83,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,828.24 : 188,654.88 = 55,669.28 : x
  2. Step 2: Convert to fraction form
    125,828.24/188,654.88 = 55,669.28/x
  3. Step 3: Cross multiply
    125,828.24x = 188,654.88 × 55,669.28
  4. Step 4: Simplify right side
    125,828.24x = 10,502,281,338.09
  5. Step 5: Solve for x
    x = 10,502,281,338.09/125,828.24
  6. Step 6: Final answer
    x = 83,465.22

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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.