Home / 178,022.28-266,848.89-111,309.22

Finding the Fourth Proportional to 178,022.28, 266,848.89 and 111,309.22

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Solution

The fourth proportional to 178,022.28, 266,848.89 and 111,309.22 is: 166,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,022.28 : 266,848.89 = 111,309.22 : x
  2. Step 2: Convert to fraction form
    178,022.28/266,848.89 = 111,309.22/x
  3. Step 3: Cross multiply
    178,022.28x = 266,848.89 × 111,309.22
  4. Step 4: Simplify right side
    178,022.28x = 29,702,741,803.77
  5. Step 5: Solve for x
    x = 29,702,741,803.77/178,022.28
  6. Step 6: Final answer
    x = 166,848.45

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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.