Home / 167,812.51-231,585.53-91,335.75

Finding the Fourth Proportional to 167,812.51, 231,585.53 and 91,335.75

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Solution

The fourth proportional to 167,812.51, 231,585.53 and 91,335.75 is: 126,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,812.51 : 231,585.53 = 91,335.75 : x
  2. Step 2: Convert to fraction form
    167,812.51/231,585.53 = 91,335.75/x
  3. Step 3: Cross multiply
    167,812.51x = 231,585.53 × 91,335.75
  4. Step 4: Simplify right side
    167,812.51x = 21,152,038,071.70
  5. Step 5: Solve for x
    x = 21,152,038,071.70/167,812.51
  6. Step 6: Final answer
    x = 126,045.66

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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.