Home / 155,580.82-233,174.40-99,399.22

Finding the Fourth Proportional to 155,580.82, 233,174.40 and 99,399.22

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Solution

The fourth proportional to 155,580.82, 233,174.40 and 99,399.22 is: 148,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,580.82 : 233,174.40 = 99,399.22 : x
  2. Step 2: Convert to fraction form
    155,580.82/233,174.40 = 99,399.22/x
  3. Step 3: Cross multiply
    155,580.82x = 233,174.40 × 99,399.22
  4. Step 4: Simplify right side
    155,580.82x = 23,177,353,483.97
  5. Step 5: Solve for x
    x = 23,177,353,483.97/155,580.82
  6. Step 6: Final answer
    x = 148,973.08

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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.