Home / 167,443.86-231,071.59-90,962.29

Finding the Fourth Proportional to 167,443.86, 231,071.59 and 90,962.29

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Solution

The fourth proportional to 167,443.86, 231,071.59 and 90,962.29 is: 125,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,443.86 : 231,071.59 = 90,962.29 : x
  2. Step 2: Convert to fraction form
    167,443.86/231,071.59 = 90,962.29/x
  3. Step 3: Cross multiply
    167,443.86x = 231,071.59 × 90,962.29
  4. Step 4: Simplify right side
    167,443.86x = 21,018,800,871.22
  5. Step 5: Solve for x
    x = 21,018,800,871.22/167,443.86
  6. Step 6: Final answer
    x = 125,527.45

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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.