Home / 240,935.75-361,340.64-72,411

Finding the Fourth Proportional to 240,935.75, 361,340.64 and 72,411

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Solution

The fourth proportional to 240,935.75, 361,340.64 and 72,411 is: 108,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,935.75 : 361,340.64 = 72,411 : x
  2. Step 2: Convert to fraction form
    240,935.75/361,340.64 = 72,411/x
  3. Step 3: Cross multiply
    240,935.75x = 361,340.64 × 72,411
  4. Step 4: Simplify right side
    240,935.75x = 26,165,037,083.04
  5. Step 5: Solve for x
    x = 26,165,037,083.04/240,935.75
  6. Step 6: Final answer
    x = 108,597.57

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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.