Home / 116,327.79-160,491.46-76,065.12

Finding the Fourth Proportional to 116,327.79, 160,491.46 and 76,065.12

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Solution

The fourth proportional to 116,327.79, 160,491.46 and 76,065.12 is: 104,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,327.79 : 160,491.46 = 76,065.12 : x
  2. Step 2: Convert to fraction form
    116,327.79/160,491.46 = 76,065.12/x
  3. Step 3: Cross multiply
    116,327.79x = 160,491.46 × 76,065.12
  4. Step 4: Simplify right side
    116,327.79x = 12,207,800,981.09
  5. Step 5: Solve for x
    x = 12,207,800,981.09/116,327.79
  6. Step 6: Final answer
    x = 104,943.12

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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.