Home / 125,696.07-188,494.70-45,715.05

Finding the Fourth Proportional to 125,696.07, 188,494.70 and 45,715.05

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Solution

The fourth proportional to 125,696.07, 188,494.70 and 45,715.05 is: 68,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,696.07 : 188,494.70 = 45,715.05 : x
  2. Step 2: Convert to fraction form
    125,696.07/188,494.70 = 45,715.05/x
  3. Step 3: Cross multiply
    125,696.07x = 188,494.70 × 45,715.05
  4. Step 4: Simplify right side
    125,696.07x = 8,617,044,406.66
  5. Step 5: Solve for x
    x = 8,617,044,406.66/125,696.07
  6. Step 6: Final answer
    x = 68,554.60

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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.