Home / 132,927.39-183,439.08-72,496.89

Finding the Fourth Proportional to 132,927.39, 183,439.08 and 72,496.89

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Solution

The fourth proportional to 132,927.39, 183,439.08 and 72,496.89 is: 100,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,927.39 : 183,439.08 = 72,496.89 : x
  2. Step 2: Convert to fraction form
    132,927.39/183,439.08 = 72,496.89/x
  3. Step 3: Cross multiply
    132,927.39x = 183,439.08 × 72,496.89
  4. Step 4: Simplify right side
    132,927.39x = 13,298,762,804.46
  5. Step 5: Solve for x
    x = 13,298,762,804.46/132,927.39
  6. Step 6: Final answer
    x = 100,045.32

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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.