Home / 160,835.60-221,919.90-92,851.40

Finding the Fourth Proportional to 160,835.60, 221,919.90 and 92,851.40

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Solution

The fourth proportional to 160,835.60, 221,919.90 and 92,851.40 is: 128,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,835.60 : 221,919.90 = 92,851.40 : x
  2. Step 2: Convert to fraction form
    160,835.60/221,919.90 = 92,851.40/x
  3. Step 3: Cross multiply
    160,835.60x = 221,919.90 × 92,851.40
  4. Step 4: Simplify right side
    160,835.60x = 20,605,573,402.86
  5. Step 5: Solve for x
    x = 20,605,573,402.86/160,835.60
  6. Step 6: Final answer
    x = 128,115.75

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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.