Home / 312,112.35-430,716.54-176,152.04

Finding the Fourth Proportional to 312,112.35, 430,716.54 and 176,152.04

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Solution

The fourth proportional to 312,112.35, 430,716.54 and 176,152.04 is: 243,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,112.35 : 430,716.54 = 176,152.04 : x
  2. Step 2: Convert to fraction form
    312,112.35/430,716.54 = 176,152.04/x
  3. Step 3: Cross multiply
    312,112.35x = 430,716.54 × 176,152.04
  4. Step 4: Simplify right side
    312,112.35x = 75,871,595,029.16
  5. Step 5: Solve for x
    x = 75,871,595,029.16/312,112.35
  6. Step 6: Final answer
    x = 243,090.65

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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.