Home / 219,269.97-302,586.44-123,785.55

Finding the Fourth Proportional to 219,269.97, 302,586.44 and 123,785.55

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Solution

The fourth proportional to 219,269.97, 302,586.44 and 123,785.55 is: 170,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,269.97 : 302,586.44 = 123,785.55 : x
  2. Step 2: Convert to fraction form
    219,269.97/302,586.44 = 123,785.55/x
  3. Step 3: Cross multiply
    219,269.97x = 302,586.44 × 123,785.55
  4. Step 4: Simplify right side
    219,269.97x = 37,455,828,279.01
  5. Step 5: Solve for x
    x = 37,455,828,279.01/219,269.97
  6. Step 6: Final answer
    x = 170,820.60

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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.