Home / 166,622.37-229,937.84-90,141.15

Finding the Fourth Proportional to 166,622.37, 229,937.84 and 90,141.15

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Solution

The fourth proportional to 166,622.37, 229,937.84 and 90,141.15 is: 124,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,622.37 : 229,937.84 = 90,141.15 : x
  2. Step 2: Convert to fraction form
    166,622.37/229,937.84 = 90,141.15/x
  3. Step 3: Cross multiply
    166,622.37x = 229,937.84 × 90,141.15
  4. Step 4: Simplify right side
    166,622.37x = 20,726,862,075.71
  5. Step 5: Solve for x
    x = 20,726,862,075.71/166,622.37
  6. Step 6: Final answer
    x = 124,394.24

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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.