Home / 264,232.49-396,390.03-86,699.12

Finding the Fourth Proportional to 264,232.49, 396,390.03 and 86,699.12

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Solution

The fourth proportional to 264,232.49, 396,390.03 and 86,699.12 is: 130,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,232.49 : 396,390.03 = 86,699.12 : x
  2. Step 2: Convert to fraction form
    264,232.49/396,390.03 = 86,699.12/x
  3. Step 3: Cross multiply
    264,232.49x = 396,390.03 × 86,699.12
  4. Step 4: Simplify right side
    264,232.49x = 34,366,666,777.77
  5. Step 5: Solve for x
    x = 34,366,666,777.77/264,232.49
  6. Step 6: Final answer
    x = 130,062.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.