Home / 219,945.16-303,518.91-124,451.02

Finding the Fourth Proportional to 219,945.16, 303,518.91 and 124,451.02

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Solution

The fourth proportional to 219,945.16, 303,518.91 and 124,451.02 is: 171,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,945.16 : 303,518.91 = 124,451.02 : x
  2. Step 2: Convert to fraction form
    219,945.16/303,518.91 = 124,451.02/x
  3. Step 3: Cross multiply
    219,945.16x = 303,518.91 × 124,451.02
  4. Step 4: Simplify right side
    219,945.16x = 37,773,237,938.79
  5. Step 5: Solve for x
    x = 37,773,237,938.79/219,945.16
  6. Step 6: Final answer
    x = 171,739.35

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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.