Home / 133,623.46-183,980.73-113,438.50

Finding the Fourth Proportional to 133,623.46, 183,980.73 and 113,438.50

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Solution

The fourth proportional to 133,623.46, 183,980.73 and 113,438.50 is: 156,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.46 : 183,980.73 = 113,438.50 : x
  2. Step 2: Convert to fraction form
    133,623.46/183,980.73 = 113,438.50/x
  3. Step 3: Cross multiply
    133,623.46x = 183,980.73 × 113,438.50
  4. Step 4: Simplify right side
    133,623.46x = 20,870,498,040.11
  5. Step 5: Solve for x
    x = 20,870,498,040.11/133,623.46
  6. Step 6: Final answer
    x = 156,188.88

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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.