Home / 125,924.40-188,886.60-112,146.30

Finding the Fourth Proportional to 125,924.40, 188,886.60 and 112,146.30

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Solution

The fourth proportional to 125,924.40, 188,886.60 and 112,146.30 is: 168,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,924.40 : 188,886.60 = 112,146.30 : x
  2. Step 2: Convert to fraction form
    125,924.40/188,886.60 = 112,146.30/x
  3. Step 3: Cross multiply
    125,924.40x = 188,886.60 × 112,146.30
  4. Step 4: Simplify right side
    125,924.40x = 21,182,933,309.58
  5. Step 5: Solve for x
    x = 21,182,933,309.58/125,924.40
  6. Step 6: Final answer
    x = 168,219.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.