Home / 116,985.68-161,440.23-63,270.69

Finding the Fourth Proportional to 116,985.68, 161,440.23 and 63,270.69

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Solution

The fourth proportional to 116,985.68, 161,440.23 and 63,270.69 is: 87,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,985.68 : 161,440.23 = 63,270.69 : x
  2. Step 2: Convert to fraction form
    116,985.68/161,440.23 = 63,270.69/x
  3. Step 3: Cross multiply
    116,985.68x = 161,440.23 × 63,270.69
  4. Step 4: Simplify right side
    116,985.68x = 10,214,434,745.86
  5. Step 5: Solve for x
    x = 10,214,434,745.86/116,985.68
  6. Step 6: Final answer
    x = 87,313.55

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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.