Home / 153,890.45-230,824.15-54,051.52

Finding the Fourth Proportional to 153,890.45, 230,824.15 and 54,051.52

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Solution

The fourth proportional to 153,890.45, 230,824.15 and 54,051.52 is: 81,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,890.45 : 230,824.15 = 54,051.52 : x
  2. Step 2: Convert to fraction form
    153,890.45/230,824.15 = 54,051.52/x
  3. Step 3: Cross multiply
    153,890.45x = 230,824.15 × 54,051.52
  4. Step 4: Simplify right side
    153,890.45x = 12,476,395,880.81
  5. Step 5: Solve for x
    x = 12,476,395,880.81/153,890.45
  6. Step 6: Final answer
    x = 81,073.23

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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.