Home / 175,678.56-242,207.64-111,993.12

Finding the Fourth Proportional to 175,678.56, 242,207.64 and 111,993.12

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Solution

The fourth proportional to 175,678.56, 242,207.64 and 111,993.12 is: 154,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,678.56 : 242,207.64 = 111,993.12 : x
  2. Step 2: Convert to fraction form
    175,678.56/242,207.64 = 111,993.12/x
  3. Step 3: Cross multiply
    175,678.56x = 242,207.64 × 111,993.12
  4. Step 4: Simplify right side
    175,678.56x = 27,125,589,291.44
  5. Step 5: Solve for x
    x = 27,125,589,291.44/175,678.56
  6. Step 6: Final answer
    x = 154,404.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.