Home / 167,292.09-230,867.13-90,814.32

Finding the Fourth Proportional to 167,292.09, 230,867.13 and 90,814.32

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Solution

The fourth proportional to 167,292.09, 230,867.13 and 90,814.32 is: 125,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,292.09 : 230,867.13 = 90,814.32 : x
  2. Step 2: Convert to fraction form
    167,292.09/230,867.13 = 90,814.32/x
  3. Step 3: Cross multiply
    167,292.09x = 230,867.13 × 90,814.32
  4. Step 4: Simplify right side
    167,292.09x = 20,966,041,421.30
  5. Step 5: Solve for x
    x = 20,966,041,421.30/167,292.09
  6. Step 6: Final answer
    x = 125,325.96

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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.