Home / 119,435.03-164,727-74,087.58

Finding the Fourth Proportional to 119,435.03, 164,727 and 74,087.58

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Solution

The fourth proportional to 119,435.03, 164,727 and 74,087.58 is: 102,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,435.03 : 164,727 = 74,087.58 : x
  2. Step 2: Convert to fraction form
    119,435.03/164,727 = 74,087.58/x
  3. Step 3: Cross multiply
    119,435.03x = 164,727 × 74,087.58
  4. Step 4: Simplify right side
    119,435.03x = 12,204,224,790.66
  5. Step 5: Solve for x
    x = 12,204,224,790.66/119,435.03
  6. Step 6: Final answer
    x = 102,182.96

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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.