Home / 112,148.40-168,292.63-74,734.73

Finding the Fourth Proportional to 112,148.40, 168,292.63 and 74,734.73

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Solution

The fourth proportional to 112,148.40, 168,292.63 and 74,734.73 is: 112,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,148.40 : 168,292.63 = 74,734.73 : x
  2. Step 2: Convert to fraction form
    112,148.40/168,292.63 = 74,734.73/x
  3. Step 3: Cross multiply
    112,148.40x = 168,292.63 × 74,734.73
  4. Step 4: Simplify right side
    112,148.40x = 12,577,303,621.22
  5. Step 5: Solve for x
    x = 12,577,303,621.22/112,148.40
  6. Step 6: Final answer
    x = 112,148.76

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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.