Home / 153,928.80-230,871.60-48,758.40

Finding the Fourth Proportional to 153,928.80, 230,871.60 and 48,758.40

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Solution

The fourth proportional to 153,928.80, 230,871.60 and 48,758.40 is: 73,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,928.80 : 230,871.60 = 48,758.40 : x
  2. Step 2: Convert to fraction form
    153,928.80/230,871.60 = 48,758.40/x
  3. Step 3: Cross multiply
    153,928.80x = 230,871.60 × 48,758.40
  4. Step 4: Simplify right side
    153,928.80x = 11,256,929,821.44
  5. Step 5: Solve for x
    x = 11,256,929,821.44/153,928.80
  6. Step 6: Final answer
    x = 73,130.76

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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.