Home / 154,136.19-231,157.58-59,359.08

Finding the Fourth Proportional to 154,136.19, 231,157.58 and 59,359.08

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Solution

The fourth proportional to 154,136.19, 231,157.58 and 59,359.08 is: 89,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136.19 : 231,157.58 = 59,359.08 : x
  2. Step 2: Convert to fraction form
    154,136.19/231,157.58 = 59,359.08/x
  3. Step 3: Cross multiply
    154,136.19x = 231,157.58 × 59,359.08
  4. Step 4: Simplify right side
    154,136.19x = 13,721,301,283.83
  5. Step 5: Solve for x
    x = 13,721,301,283.83/154,136.19
  6. Step 6: Final answer
    x = 89,020.63

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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.