Home / 166,795.83-230,178.68-90,315.83

Finding the Fourth Proportional to 166,795.83, 230,178.68 and 90,315.83

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Solution

The fourth proportional to 166,795.83, 230,178.68 and 90,315.83 is: 124,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,795.83 : 230,178.68 = 90,315.83 : x
  2. Step 2: Convert to fraction form
    166,795.83/230,178.68 = 90,315.83/x
  3. Step 3: Cross multiply
    166,795.83x = 230,178.68 × 90,315.83
  4. Step 4: Simplify right side
    166,795.83x = 20,788,778,882.16
  5. Step 5: Solve for x
    x = 20,788,778,882.16/166,795.83
  6. Step 6: Final answer
    x = 124,636.08

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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.