Home / 116,005.55-160,164.78-89,099.96

Finding the Fourth Proportional to 116,005.55, 160,164.78 and 89,099.96

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Solution

The fourth proportional to 116,005.55, 160,164.78 and 89,099.96 is: 123,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,005.55 : 160,164.78 = 89,099.96 : x
  2. Step 2: Convert to fraction form
    116,005.55/160,164.78 = 89,099.96/x
  3. Step 3: Cross multiply
    116,005.55x = 160,164.78 × 89,099.96
  4. Step 4: Simplify right side
    116,005.55x = 14,270,675,491.41
  5. Step 5: Solve for x
    x = 14,270,675,491.41/116,005.55
  6. Step 6: Final answer
    x = 123,017.18

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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.