Home / 191,663.30-264,495.63-106,783.34

Finding the Fourth Proportional to 191,663.30, 264,495.63 and 106,783.34

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Solution

The fourth proportional to 191,663.30, 264,495.63 and 106,783.34 is: 147,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,663.30 : 264,495.63 = 106,783.34 : x
  2. Step 2: Convert to fraction form
    191,663.30/264,495.63 = 106,783.34/x
  3. Step 3: Cross multiply
    191,663.30x = 264,495.63 × 106,783.34
  4. Step 4: Simplify right side
    191,663.30x = 28,243,726,786.80
  5. Step 5: Solve for x
    x = 28,243,726,786.80/191,663.30
  6. Step 6: Final answer
    x = 147,361.16

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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.