Home / 109,730.30-164,595.45-92,015.60

Finding the Fourth Proportional to 109,730.30, 164,595.45 and 92,015.60

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Solution

The fourth proportional to 109,730.30, 164,595.45 and 92,015.60 is: 138,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.30 : 164,595.45 = 92,015.60 : x
  2. Step 2: Convert to fraction form
    109,730.30/164,595.45 = 92,015.60/x
  3. Step 3: Cross multiply
    109,730.30x = 164,595.45 × 92,015.60
  4. Step 4: Simplify right side
    109,730.30x = 15,145,349,089.02
  5. Step 5: Solve for x
    x = 15,145,349,089.02/109,730.30
  6. Step 6: Final answer
    x = 138,023.40

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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.