Home / 155,518.20-233,277.30-66,756.60

Finding the Fourth Proportional to 155,518.20, 233,277.30 and 66,756.60

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Solution

The fourth proportional to 155,518.20, 233,277.30 and 66,756.60 is: 100,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,518.20 : 233,277.30 = 66,756.60 : x
  2. Step 2: Convert to fraction form
    155,518.20/233,277.30 = 66,756.60/x
  3. Step 3: Cross multiply
    155,518.20x = 233,277.30 × 66,756.60
  4. Step 4: Simplify right side
    155,518.20x = 15,572,799,405.18
  5. Step 5: Solve for x
    x = 15,572,799,405.18/155,518.20
  6. Step 6: Final answer
    x = 100,134.90

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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.