Home / 132,962.19-183,488.42-72,532.64

Finding the Fourth Proportional to 132,962.19, 183,488.42 and 72,532.64

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Solution

The fourth proportional to 132,962.19, 183,488.42 and 72,532.64 is: 100,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,962.19 : 183,488.42 = 72,532.64 : x
  2. Step 2: Convert to fraction form
    132,962.19/183,488.42 = 72,532.64/x
  3. Step 3: Cross multiply
    132,962.19x = 183,488.42 × 72,532.64
  4. Step 4: Simplify right side
    132,962.19x = 13,308,899,149.37
  5. Step 5: Solve for x
    x = 13,308,899,149.37/132,962.19
  6. Step 6: Final answer
    x = 100,095.37

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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.