Home / 177,355.10-266,032.65-155,211.73

Finding the Fourth Proportional to 177,355.10, 266,032.65 and 155,211.73

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Solution

The fourth proportional to 177,355.10, 266,032.65 and 155,211.73 is: 232,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,355.10 : 266,032.65 = 155,211.73 : x
  2. Step 2: Convert to fraction form
    177,355.10/266,032.65 = 155,211.73/x
  3. Step 3: Cross multiply
    177,355.10x = 266,032.65 × 155,211.73
  4. Step 4: Simplify right side
    177,355.10x = 41,291,387,842.98
  5. Step 5: Solve for x
    x = 41,291,387,842.98/177,355.10
  6. Step 6: Final answer
    x = 232,817.60

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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.