Home / 155,596.40-233,406.87-76,667.60

Finding the Fourth Proportional to 155,596.40, 233,406.87 and 76,667.60

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Solution

The fourth proportional to 155,596.40, 233,406.87 and 76,667.60 is: 115,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,596.40 : 233,406.87 = 76,667.60 : x
  2. Step 2: Convert to fraction form
    155,596.40/233,406.87 = 76,667.60/x
  3. Step 3: Cross multiply
    155,596.40x = 233,406.87 × 76,667.60
  4. Step 4: Simplify right side
    155,596.40x = 17,894,744,546.41
  5. Step 5: Solve for x
    x = 17,894,744,546.41/155,596.40
  6. Step 6: Final answer
    x = 115,007.45

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1.5x scale

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.