Home / 252,261.39-378,484.37-117,389.81

Finding the Fourth Proportional to 252,261.39, 378,484.37 and 117,389.81

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Solution

The fourth proportional to 252,261.39, 378,484.37 and 117,389.81 is: 176,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,261.39 : 378,484.37 = 117,389.81 : x
  2. Step 2: Convert to fraction form
    252,261.39/378,484.37 = 117,389.81/x
  3. Step 3: Cross multiply
    252,261.39x = 378,484.37 × 117,389.81
  4. Step 4: Simplify right side
    252,261.39x = 44,430,208,282.27
  5. Step 5: Solve for x
    x = 44,430,208,282.27/252,261.39
  6. Step 6: Final answer
    x = 176,127.66

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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.