Home / 154,528.02-231,792.03-84,369.06

Finding the Fourth Proportional to 154,528.02, 231,792.03 and 84,369.06

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Solution

The fourth proportional to 154,528.02, 231,792.03 and 84,369.06 is: 126,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,528.02 : 231,792.03 = 84,369.06 : x
  2. Step 2: Convert to fraction form
    154,528.02/231,792.03 = 84,369.06/x
  3. Step 3: Cross multiply
    154,528.02x = 231,792.03 × 84,369.06
  4. Step 4: Simplify right side
    154,528.02x = 19,556,075,686.59
  5. Step 5: Solve for x
    x = 19,556,075,686.59/154,528.02
  6. Step 6: Final answer
    x = 126,553.59

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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.