Home / 219,106.28-302,340.66-123,607.40

Finding the Fourth Proportional to 219,106.28, 302,340.66 and 123,607.40

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Solution

The fourth proportional to 219,106.28, 302,340.66 and 123,607.40 is: 170,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,106.28 : 302,340.66 = 123,607.40 : x
  2. Step 2: Convert to fraction form
    219,106.28/302,340.66 = 123,607.40/x
  3. Step 3: Cross multiply
    219,106.28x = 302,340.66 × 123,607.40
  4. Step 4: Simplify right side
    219,106.28x = 37,371,542,896.88
  5. Step 5: Solve for x
    x = 37,371,542,896.88/219,106.28
  6. Step 6: Final answer
    x = 170,563.54

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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.