Home / 119,407.20-164,822.39-74,111.69

Finding the Fourth Proportional to 119,407.20, 164,822.39 and 74,111.69

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Solution

The fourth proportional to 119,407.20, 164,822.39 and 74,111.69 is: 102,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,407.20 : 164,822.39 = 74,111.69 : x
  2. Step 2: Convert to fraction form
    119,407.20/164,822.39 = 74,111.69/x
  3. Step 3: Cross multiply
    119,407.20x = 164,822.39 × 74,111.69
  4. Step 4: Simplify right side
    119,407.20x = 12,215,265,872.74
  5. Step 5: Solve for x
    x = 12,215,265,872.74/119,407.20
  6. Step 6: Final answer
    x = 102,299.24

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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.