Home / 161,627.12-242,173.36-82,632.68

Finding the Fourth Proportional to 161,627.12, 242,173.36 and 82,632.68

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Solution

The fourth proportional to 161,627.12, 242,173.36 and 82,632.68 is: 123,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,627.12 : 242,173.36 = 82,632.68 : x
  2. Step 2: Convert to fraction form
    161,627.12/242,173.36 = 82,632.68/x
  3. Step 3: Cross multiply
    161,627.12x = 242,173.36 × 82,632.68
  4. Step 4: Simplify right side
    161,627.12x = 20,011,433,761.40
  5. Step 5: Solve for x
    x = 20,011,433,761.40/161,627.12
  6. Step 6: Final answer
    x = 123,812.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.