Home / 105,237.20-157,625.40-93,563.60

Finding the Fourth Proportional to 105,237.20, 157,625.40 and 93,563.60

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Solution

The fourth proportional to 105,237.20, 157,625.40 and 93,563.60 is: 140,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,237.20 : 157,625.40 = 93,563.60 : x
  2. Step 2: Convert to fraction form
    105,237.20/157,625.40 = 93,563.60/x
  3. Step 3: Cross multiply
    105,237.20x = 157,625.40 × 93,563.60
  4. Step 4: Simplify right side
    105,237.20x = 14,747,999,875.44
  5. Step 5: Solve for x
    x = 14,747,999,875.44/105,237.20
  6. Step 6: Final answer
    x = 140,140.56

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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.