Home / 351,780.04-527,783.08-115,068.88

Finding the Fourth Proportional to 351,780.04, 527,783.08 and 115,068.88

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Solution

The fourth proportional to 351,780.04, 527,783.08 and 115,068.88 is: 172,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,780.04 : 527,783.08 = 115,068.88 : x
  2. Step 2: Convert to fraction form
    351,780.04/527,783.08 = 115,068.88/x
  3. Step 3: Cross multiply
    351,780.04x = 527,783.08 × 115,068.88
  4. Step 4: Simplify right side
    351,780.04x = 60,731,407,898.55
  5. Step 5: Solve for x
    x = 60,731,407,898.55/351,780.04
  6. Step 6: Final answer
    x = 172,640.29

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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.