Home / 143,563.32-198,189.24-111,225.84

Finding the Fourth Proportional to 143,563.32, 198,189.24 and 111,225.84

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Solution

The fourth proportional to 143,563.32, 198,189.24 and 111,225.84 is: 153,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,563.32 : 198,189.24 = 111,225.84 : x
  2. Step 2: Convert to fraction form
    143,563.32/198,189.24 = 111,225.84/x
  3. Step 3: Cross multiply
    143,563.32x = 198,189.24 × 111,225.84
  4. Step 4: Simplify right side
    143,563.32x = 22,043,764,697.96
  5. Step 5: Solve for x
    x = 22,043,764,697.96/143,563.32
  6. Step 6: Final answer
    x = 153,547.33

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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.