Home / 104,606.72-144,426.76-80,364.48

Finding the Fourth Proportional to 104,606.72, 144,426.76 and 80,364.48

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Solution

The fourth proportional to 104,606.72, 144,426.76 and 80,364.48 is: 110,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,606.72 : 144,426.76 = 80,364.48 : x
  2. Step 2: Convert to fraction form
    104,606.72/144,426.76 = 80,364.48/x
  3. Step 3: Cross multiply
    104,606.72x = 144,426.76 × 80,364.48
  4. Step 4: Simplify right side
    104,606.72x = 11,606,781,465.48
  5. Step 5: Solve for x
    x = 11,606,781,465.48/104,606.72
  6. Step 6: Final answer
    x = 110,956.37

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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.