Home / 183,611.54-275,430.66-76,888.16

Finding the Fourth Proportional to 183,611.54, 275,430.66 and 76,888.16

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Solution

The fourth proportional to 183,611.54, 275,430.66 and 76,888.16 is: 115,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,611.54 : 275,430.66 = 76,888.16 : x
  2. Step 2: Convert to fraction form
    183,611.54/275,430.66 = 76,888.16/x
  3. Step 3: Cross multiply
    183,611.54x = 275,430.66 × 76,888.16
  4. Step 4: Simplify right side
    183,611.54x = 21,177,356,654.99
  5. Step 5: Solve for x
    x = 21,177,356,654.99/183,611.54
  6. Step 6: Final answer
    x = 115,337.83

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1.5x scale

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.