Home / 112,421.08-168,597.78-92,650.60

Finding the Fourth Proportional to 112,421.08, 168,597.78 and 92,650.60

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Solution

The fourth proportional to 112,421.08, 168,597.78 and 92,650.60 is: 138,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,421.08 : 168,597.78 = 92,650.60 : x
  2. Step 2: Convert to fraction form
    112,421.08/168,597.78 = 92,650.60/x
  3. Step 3: Cross multiply
    112,421.08x = 168,597.78 × 92,650.60
  4. Step 4: Simplify right side
    112,421.08x = 15,620,685,475.67
  5. Step 5: Solve for x
    x = 15,620,685,475.67/112,421.08
  6. Step 6: Final answer
    x = 138,948.01

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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.