Home / 185,306.07-255,749.81-117,329.36

Finding the Fourth Proportional to 185,306.07, 255,749.81 and 117,329.36

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Solution

The fourth proportional to 185,306.07, 255,749.81 and 117,329.36 is: 161,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,306.07 : 255,749.81 = 117,329.36 : x
  2. Step 2: Convert to fraction form
    185,306.07/255,749.81 = 117,329.36/x
  3. Step 3: Cross multiply
    185,306.07x = 255,749.81 × 117,329.36
  4. Step 4: Simplify right side
    185,306.07x = 30,006,961,527.42
  5. Step 5: Solve for x
    x = 30,006,961,527.42/185,306.07
  6. Step 6: Final answer
    x = 161,931.89

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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.