Home / 167,210.42-230,746.64-90,729.63

Finding the Fourth Proportional to 167,210.42, 230,746.64 and 90,729.63

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Solution

The fourth proportional to 167,210.42, 230,746.64 and 90,729.63 is: 125,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,210.42 : 230,746.64 = 90,729.63 : x
  2. Step 2: Convert to fraction form
    167,210.42/230,746.64 = 90,729.63/x
  3. Step 3: Cross multiply
    167,210.42x = 230,746.64 × 90,729.63
  4. Step 4: Simplify right side
    167,210.42x = 20,935,556,817.30
  5. Step 5: Solve for x
    x = 20,935,556,817.30/167,210.42
  6. Step 6: Final answer
    x = 125,204.86

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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.