Home / 134,758.42-185,967.52-74,330.70

Finding the Fourth Proportional to 134,758.42, 185,967.52 and 74,330.70

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Solution

The fourth proportional to 134,758.42, 185,967.52 and 74,330.70 is: 102,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,758.42 : 185,967.52 = 74,330.70 : x
  2. Step 2: Convert to fraction form
    134,758.42/185,967.52 = 74,330.70/x
  3. Step 3: Cross multiply
    134,758.42x = 185,967.52 × 74,330.70
  4. Step 4: Simplify right side
    134,758.42x = 13,823,095,938.86
  5. Step 5: Solve for x
    x = 13,823,095,938.86/134,758.42
  6. Step 6: Final answer
    x = 102,576.86

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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.