Home / 219,936.81-303,504.48-124,445.55

Finding the Fourth Proportional to 219,936.81, 303,504.48 and 124,445.55

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Solution

The fourth proportional to 219,936.81, 303,504.48 and 124,445.55 is: 171,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,936.81 : 303,504.48 = 124,445.55 : x
  2. Step 2: Convert to fraction form
    219,936.81/303,504.48 = 124,445.55/x
  3. Step 3: Cross multiply
    219,936.81x = 303,504.48 × 124,445.55
  4. Step 4: Simplify right side
    219,936.81x = 37,769,781,941.06
  5. Step 5: Solve for x
    x = 37,769,781,941.06/219,936.81
  6. Step 6: Final answer
    x = 171,730.15

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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.