Home / 132,490.09-182,833.63-72,059.50

Finding the Fourth Proportional to 132,490.09, 182,833.63 and 72,059.50

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Solution

The fourth proportional to 132,490.09, 182,833.63 and 72,059.50 is: 99,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,490.09 : 182,833.63 = 72,059.50 : x
  2. Step 2: Convert to fraction form
    132,490.09/182,833.63 = 72,059.50/x
  3. Step 3: Cross multiply
    132,490.09x = 182,833.63 × 72,059.50
  4. Step 4: Simplify right side
    132,490.09x = 13,174,899,960.99
  5. Step 5: Solve for x
    x = 13,174,899,960.99/132,490.09
  6. Step 6: Final answer
    x = 99,440.64

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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.