Home / 164,858.40-227,505.60-89,406.72

Finding the Fourth Proportional to 164,858.40, 227,505.60 and 89,406.72

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Solution

The fourth proportional to 164,858.40, 227,505.60 and 89,406.72 is: 123,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,858.40 : 227,505.60 = 89,406.72 : x
  2. Step 2: Convert to fraction form
    164,858.40/227,505.60 = 89,406.72/x
  3. Step 3: Cross multiply
    164,858.40x = 227,505.60 × 89,406.72
  4. Step 4: Simplify right side
    164,858.40x = 20,340,529,477.63
  5. Step 5: Solve for x
    x = 20,340,529,477.63/164,858.40
  6. Step 6: Final answer
    x = 123,381.82

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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.