Home / 134,743.60-202,115.40-55,831.60

Finding the Fourth Proportional to 134,743.60, 202,115.40 and 55,831.60

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Solution

The fourth proportional to 134,743.60, 202,115.40 and 55,831.60 is: 83,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,743.60 : 202,115.40 = 55,831.60 : x
  2. Step 2: Convert to fraction form
    134,743.60/202,115.40 = 55,831.60/x
  3. Step 3: Cross multiply
    134,743.60x = 202,115.40 × 55,831.60
  4. Step 4: Simplify right side
    134,743.60x = 11,284,426,166.64
  5. Step 5: Solve for x
    x = 11,284,426,166.64/134,743.60
  6. Step 6: Final answer
    x = 83,747.40

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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.