Home / 132,962.19-183,519.32-76,406.37

Finding the Fourth Proportional to 132,962.19, 183,519.32 and 76,406.37

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Solution

The fourth proportional to 132,962.19, 183,519.32 and 76,406.37 is: 105,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,962.19 : 183,519.32 = 76,406.37 : x
  2. Step 2: Convert to fraction form
    132,962.19/183,519.32 = 76,406.37/x
  3. Step 3: Cross multiply
    132,962.19x = 183,519.32 × 76,406.37
  4. Step 4: Simplify right side
    132,962.19x = 14,022,044,684.04
  5. Step 5: Solve for x
    x = 14,022,044,684.04/132,962.19
  6. Step 6: Final answer
    x = 105,458.89

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1.5x scale

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.