Home / 116,156.96-160,272.16-75,929.66

Finding the Fourth Proportional to 116,156.96, 160,272.16 and 75,929.66

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Solution

The fourth proportional to 116,156.96, 160,272.16 and 75,929.66 is: 104,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,156.96 : 160,272.16 = 75,929.66 : x
  2. Step 2: Convert to fraction form
    116,156.96/160,272.16 = 75,929.66/x
  3. Step 3: Cross multiply
    116,156.96x = 160,272.16 × 75,929.66
  4. Step 4: Simplify right side
    116,156.96x = 12,169,409,625.08
  5. Step 5: Solve for x
    x = 12,169,409,625.08/116,156.96
  6. Step 6: Final answer
    x = 104,766.95

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1.5x scale

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.