Home / 219,343.24-302,693.70-123,856.12

Finding the Fourth Proportional to 219,343.24, 302,693.70 and 123,856.12

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Solution

The fourth proportional to 219,343.24, 302,693.70 and 123,856.12 is: 170,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,343.24 : 302,693.70 = 123,856.12 : x
  2. Step 2: Convert to fraction form
    219,343.24/302,693.70 = 123,856.12/x
  3. Step 3: Cross multiply
    219,343.24x = 302,693.70 × 123,856.12
  4. Step 4: Simplify right side
    219,343.24x = 37,490,467,230.44
  5. Step 5: Solve for x
    x = 37,490,467,230.44/219,343.24
  6. Step 6: Final answer
    x = 170,921.46

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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.