Home / 161,835.91-243,155.40-104,946.01

Finding the Fourth Proportional to 161,835.91, 243,155.40 and 104,946.01

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Solution

The fourth proportional to 161,835.91, 243,155.40 and 104,946.01 is: 157,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,835.91 : 243,155.40 = 104,946.01 : x
  2. Step 2: Convert to fraction form
    161,835.91/243,155.40 = 104,946.01/x
  3. Step 3: Cross multiply
    161,835.91x = 243,155.40 × 104,946.01
  4. Step 4: Simplify right side
    161,835.91x = 25,518,187,299.45
  5. Step 5: Solve for x
    x = 25,518,187,299.45/161,835.91
  6. Step 6: Final answer
    x = 157,679.39

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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.