Home / 125,521.50-188,270.10-46,635.60

Finding the Fourth Proportional to 125,521.50, 188,270.10 and 46,635.60

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Solution

The fourth proportional to 125,521.50, 188,270.10 and 46,635.60 is: 69,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,521.50 : 188,270.10 = 46,635.60 : x
  2. Step 2: Convert to fraction form
    125,521.50/188,270.10 = 46,635.60/x
  3. Step 3: Cross multiply
    125,521.50x = 188,270.10 × 46,635.60
  4. Step 4: Simplify right side
    125,521.50x = 8,780,089,075.56
  5. Step 5: Solve for x
    x = 8,780,089,075.56/125,521.50
  6. Step 6: Final answer
    x = 69,948.89

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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.