Home / 154,361.16-231,569.28-54,579.29

Finding the Fourth Proportional to 154,361.16, 231,569.28 and 54,579.29

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Solution

The fourth proportional to 154,361.16, 231,569.28 and 54,579.29 is: 81,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,361.16 : 231,569.28 = 54,579.29 : x
  2. Step 2: Convert to fraction form
    154,361.16/231,569.28 = 54,579.29/x
  3. Step 3: Cross multiply
    154,361.16x = 231,569.28 × 54,579.29
  4. Step 4: Simplify right side
    154,361.16x = 12,638,885,730.36
  5. Step 5: Solve for x
    x = 12,638,885,730.36/154,361.16
  6. Step 6: Final answer
    x = 81,878.67

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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.