Home / 178,784.28-268,289.55-99,950.22

Finding the Fourth Proportional to 178,784.28, 268,289.55 and 99,950.22

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Solution

The fourth proportional to 178,784.28, 268,289.55 and 99,950.22 is: 149,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,784.28 : 268,289.55 = 99,950.22 : x
  2. Step 2: Convert to fraction form
    178,784.28/268,289.55 = 99,950.22/x
  3. Step 3: Cross multiply
    178,784.28x = 268,289.55 × 99,950.22
  4. Step 4: Simplify right side
    178,784.28x = 26,815,599,546.20
  5. Step 5: Solve for x
    x = 26,815,599,546.20/178,784.28
  6. Step 6: Final answer
    x = 149,988.58

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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.