Home / 116,913.12-161,339.13-63,197.70

Finding the Fourth Proportional to 116,913.12, 161,339.13 and 63,197.70

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Solution

The fourth proportional to 116,913.12, 161,339.13 and 63,197.70 is: 87,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,913.12 : 161,339.13 = 63,197.70 : x
  2. Step 2: Convert to fraction form
    116,913.12/161,339.13 = 63,197.70/x
  3. Step 3: Cross multiply
    116,913.12x = 161,339.13 × 63,197.70
  4. Step 4: Simplify right side
    116,913.12x = 10,196,261,936.00
  5. Step 5: Solve for x
    x = 10,196,261,936.00/116,913.12
  6. Step 6: Final answer
    x = 87,212.30

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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.