Home / 252,186.60-348,015.70-139,009.16

Finding the Fourth Proportional to 252,186.60, 348,015.70 and 139,009.16

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Solution

The fourth proportional to 252,186.60, 348,015.70 and 139,009.16 is: 191,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,186.60 : 348,015.70 = 139,009.16 : x
  2. Step 2: Convert to fraction form
    252,186.60/348,015.70 = 139,009.16/x
  3. Step 3: Cross multiply
    252,186.60x = 348,015.70 × 139,009.16
  4. Step 4: Simplify right side
    252,186.60x = 48,377,370,123.81
  5. Step 5: Solve for x
    x = 48,377,370,123.81/252,186.60
  6. Step 6: Final answer
    x = 191,831.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.