Home / 303,475.04-418,795.60-167,509.03

Finding the Fourth Proportional to 303,475.04, 418,795.60 and 167,509.03

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Solution

The fourth proportional to 303,475.04, 418,795.60 and 167,509.03 is: 231,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,475.04 : 418,795.60 = 167,509.03 : x
  2. Step 2: Convert to fraction form
    303,475.04/418,795.60 = 167,509.03/x
  3. Step 3: Cross multiply
    303,475.04x = 418,795.60 × 167,509.03
  4. Step 4: Simplify right side
    303,475.04x = 70,152,044,724.27
  5. Step 5: Solve for x
    x = 70,152,044,724.27/303,475.04
  6. Step 6: Final answer
    x = 231,162.49

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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.