Home / 156,931.15-235,396.73-104,169.55

Finding the Fourth Proportional to 156,931.15, 235,396.73 and 104,169.55

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Solution

The fourth proportional to 156,931.15, 235,396.73 and 104,169.55 is: 156,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.15 : 235,396.73 = 104,169.55 : x
  2. Step 2: Convert to fraction form
    156,931.15/235,396.73 = 104,169.55/x
  3. Step 3: Cross multiply
    156,931.15x = 235,396.73 × 104,169.55
  4. Step 4: Simplify right side
    156,931.15x = 24,521,171,435.57
  5. Step 5: Solve for x
    x = 24,521,171,435.57/156,931.15
  6. Step 6: Final answer
    x = 156,254.33

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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.