Home / 132,964.32-183,409.20-90,541.92

Finding the Fourth Proportional to 132,964.32, 183,409.20 and 90,541.92

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Solution

The fourth proportional to 132,964.32, 183,409.20 and 90,541.92 is: 124,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,964.32 : 183,409.20 = 90,541.92 : x
  2. Step 2: Convert to fraction form
    132,964.32/183,409.20 = 90,541.92/x
  3. Step 3: Cross multiply
    132,964.32x = 183,409.20 × 90,541.92
  4. Step 4: Simplify right side
    132,964.32x = 16,606,221,113.66
  5. Step 5: Solve for x
    x = 16,606,221,113.66/132,964.32
  6. Step 6: Final answer
    x = 124,892.31

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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.