Home / 125,033.43-172,626.63-111,581.58

Finding the Fourth Proportional to 125,033.43, 172,626.63 and 111,581.58

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Solution

The fourth proportional to 125,033.43, 172,626.63 and 111,581.58 is: 154,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,033.43 : 172,626.63 = 111,581.58 : x
  2. Step 2: Convert to fraction form
    125,033.43/172,626.63 = 111,581.58/x
  3. Step 3: Cross multiply
    125,033.43x = 172,626.63 × 111,581.58
  4. Step 4: Simplify right side
    125,033.43x = 19,261,952,125.48
  5. Step 5: Solve for x
    x = 19,261,952,125.48/125,033.43
  6. Step 6: Final answer
    x = 154,054.42

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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.