Home / 133,392.08-183,900.92-85,562.40

Finding the Fourth Proportional to 133,392.08, 183,900.92 and 85,562.40

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Solution

The fourth proportional to 133,392.08, 183,900.92 and 85,562.40 is: 117,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.08 : 183,900.92 = 85,562.40 : x
  2. Step 2: Convert to fraction form
    133,392.08/183,900.92 = 85,562.40/x
  3. Step 3: Cross multiply
    133,392.08x = 183,900.92 × 85,562.40
  4. Step 4: Simplify right side
    133,392.08x = 15,735,004,077.41
  5. Step 5: Solve for x
    x = 15,735,004,077.41/133,392.08
  6. Step 6: Final answer
    x = 117,960.56

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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.