Home / 264,241.28-396,403.14-86,707.88

Finding the Fourth Proportional to 264,241.28, 396,403.14 and 86,707.88

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Solution

The fourth proportional to 264,241.28, 396,403.14 and 86,707.88 is: 130,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,241.28 : 396,403.14 = 86,707.88 : x
  2. Step 2: Convert to fraction form
    264,241.28/396,403.14 = 86,707.88/x
  3. Step 3: Cross multiply
    264,241.28x = 396,403.14 × 86,707.88
  4. Step 4: Simplify right side
    264,241.28x = 34,371,275,894.74
  5. Step 5: Solve for x
    x = 34,371,275,894.74/264,241.28
  6. Step 6: Final answer
    x = 130,075.35

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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.