Home / 236,461.38-326,324.56-129,037.30

Finding the Fourth Proportional to 236,461.38, 326,324.56 and 129,037.30

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Solution

The fourth proportional to 236,461.38, 326,324.56 and 129,037.30 is: 178,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,461.38 : 326,324.56 = 129,037.30 : x
  2. Step 2: Convert to fraction form
    236,461.38/326,324.56 = 129,037.30/x
  3. Step 3: Cross multiply
    236,461.38x = 326,324.56 × 129,037.30
  4. Step 4: Simplify right side
    236,461.38x = 42,108,040,146.09
  5. Step 5: Solve for x
    x = 42,108,040,146.09/236,461.38
  6. Step 6: Final answer
    x = 178,075.76

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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.