Home / 161,463.12-242,074.02-111,400.38

Finding the Fourth Proportional to 161,463.12, 242,074.02 and 111,400.38

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Solution

The fourth proportional to 161,463.12, 242,074.02 and 111,400.38 is: 167,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,463.12 : 242,074.02 = 111,400.38 : x
  2. Step 2: Convert to fraction form
    161,463.12/242,074.02 = 111,400.38/x
  3. Step 3: Cross multiply
    161,463.12x = 242,074.02 × 111,400.38
  4. Step 4: Simplify right side
    161,463.12x = 26,967,137,816.13
  5. Step 5: Solve for x
    x = 26,967,137,816.13/161,463.12
  6. Step 6: Final answer
    x = 167,017.32

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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.