Home / 132,835.94-183,308.09-72,405.26

Finding the Fourth Proportional to 132,835.94, 183,308.09 and 72,405.26

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Solution

The fourth proportional to 132,835.94, 183,308.09 and 72,405.26 is: 99,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,835.94 : 183,308.09 = 72,405.26 : x
  2. Step 2: Convert to fraction form
    132,835.94/183,308.09 = 72,405.26/x
  3. Step 3: Cross multiply
    132,835.94x = 183,308.09 × 72,405.26
  4. Step 4: Simplify right side
    132,835.94x = 13,272,468,637.99
  5. Step 5: Solve for x
    x = 13,272,468,637.99/132,835.94
  6. Step 6: Final answer
    x = 99,916.25

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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.