Home / 219,515.42-302,930.64-124,022.06

Finding the Fourth Proportional to 219,515.42, 302,930.64 and 124,022.06

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Solution

The fourth proportional to 219,515.42, 302,930.64 and 124,022.06 is: 171,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,515.42 : 302,930.64 = 124,022.06 : x
  2. Step 2: Convert to fraction form
    219,515.42/302,930.64 = 124,022.06/x
  3. Step 3: Cross multiply
    219,515.42x = 302,930.64 × 124,022.06
  4. Step 4: Simplify right side
    219,515.42x = 37,570,082,009.92
  5. Step 5: Solve for x
    x = 37,570,082,009.92/219,515.42
  6. Step 6: Final answer
    x = 171,150.08

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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.