Home / 166,087.84-229,201.68-99,018.40

Finding the Fourth Proportional to 166,087.84, 229,201.68 and 99,018.40

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Solution

The fourth proportional to 166,087.84, 229,201.68 and 99,018.40 is: 136,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,087.84 : 229,201.68 = 99,018.40 : x
  2. Step 2: Convert to fraction form
    166,087.84/229,201.68 = 99,018.40/x
  3. Step 3: Cross multiply
    166,087.84x = 229,201.68 × 99,018.40
  4. Step 4: Simplify right side
    166,087.84x = 22,695,183,630.91
  5. Step 5: Solve for x
    x = 22,695,183,630.91/166,087.84
  6. Step 6: Final answer
    x = 136,645.67

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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.