Home / 134,801.20-202,128.90-55,923.40

Finding the Fourth Proportional to 134,801.20, 202,128.90 and 55,923.40

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Solution

The fourth proportional to 134,801.20, 202,128.90 and 55,923.40 is: 83,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,801.20 : 202,128.90 = 55,923.40 : x
  2. Step 2: Convert to fraction form
    134,801.20/202,128.90 = 55,923.40/x
  3. Step 3: Cross multiply
    134,801.20x = 202,128.90 × 55,923.40
  4. Step 4: Simplify right side
    134,801.20x = 11,303,735,326.26
  5. Step 5: Solve for x
    x = 11,303,735,326.26/134,801.20
  6. Step 6: Final answer
    x = 83,854.86

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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.