Home / 119,327.45-164,672.51-65,615.92

Finding the Fourth Proportional to 119,327.45, 164,672.51 and 65,615.92

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Solution

The fourth proportional to 119,327.45, 164,672.51 and 65,615.92 is: 90,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,327.45 : 164,672.51 = 65,615.92 : x
  2. Step 2: Convert to fraction form
    119,327.45/164,672.51 = 65,615.92/x
  3. Step 3: Cross multiply
    119,327.45x = 164,672.51 × 65,615.92
  4. Step 4: Simplify right side
    119,327.45x = 10,805,137,090.92
  5. Step 5: Solve for x
    x = 10,805,137,090.92/119,327.45
  6. Step 6: Final answer
    x = 90,550.31

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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.