Home / 252,734.77-378,915.04-119,459.40

Finding the Fourth Proportional to 252,734.77, 378,915.04 and 119,459.40

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Solution

The fourth proportional to 252,734.77, 378,915.04 and 119,459.40 is: 179,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,734.77 : 378,915.04 = 119,459.40 : x
  2. Step 2: Convert to fraction form
    252,734.77/378,915.04 = 119,459.40/x
  3. Step 3: Cross multiply
    252,734.77x = 378,915.04 × 119,459.40
  4. Step 4: Simplify right side
    252,734.77x = 45,264,963,329.38
  5. Step 5: Solve for x
    x = 45,264,963,329.38/252,734.77
  6. Step 6: Final answer
    x = 179,100.66

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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.