Home / 352,985.39-487,123.60-191,840.45

Finding the Fourth Proportional to 352,985.39, 487,123.60 and 191,840.45

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Solution

The fourth proportional to 352,985.39, 487,123.60 and 191,840.45 is: 264,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,985.39 : 487,123.60 = 191,840.45 : x
  2. Step 2: Convert to fraction form
    352,985.39/487,123.60 = 191,840.45/x
  3. Step 3: Cross multiply
    352,985.39x = 487,123.60 × 191,840.45
  4. Step 4: Simplify right side
    352,985.39x = 93,450,007,714.40
  5. Step 5: Solve for x
    x = 93,450,007,714.40/352,985.39
  6. Step 6: Final answer
    x = 264,741.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.