Home / 167,507.48-231,066.75-102,931.85

Finding the Fourth Proportional to 167,507.48, 231,066.75 and 102,931.85

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Solution

The fourth proportional to 167,507.48, 231,066.75 and 102,931.85 is: 141,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,507.48 : 231,066.75 = 102,931.85 : x
  2. Step 2: Convert to fraction form
    167,507.48/231,066.75 = 102,931.85/x
  3. Step 3: Cross multiply
    167,507.48x = 231,066.75 × 102,931.85
  4. Step 4: Simplify right side
    167,507.48x = 23,784,128,050.99
  5. Step 5: Solve for x
    x = 23,784,128,050.99/167,507.48
  6. Step 6: Final answer
    x = 141,988.45

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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.