Home / 134,732.22-185,931.63-74,305.02

Finding the Fourth Proportional to 134,732.22, 185,931.63 and 74,305.02

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Solution

The fourth proportional to 134,732.22, 185,931.63 and 74,305.02 is: 102,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,732.22 : 185,931.63 = 74,305.02 : x
  2. Step 2: Convert to fraction form
    134,732.22/185,931.63 = 74,305.02/x
  3. Step 3: Cross multiply
    134,732.22x = 185,931.63 × 74,305.02
  4. Step 4: Simplify right side
    134,732.22x = 13,815,653,485.78
  5. Step 5: Solve for x
    x = 13,815,653,485.78/134,732.22
  6. Step 6: Final answer
    x = 102,541.57

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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.