Home / 134,443.50-185,528.76-74,013.66

Finding the Fourth Proportional to 134,443.50, 185,528.76 and 74,013.66

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Solution

The fourth proportional to 134,443.50, 185,528.76 and 74,013.66 is: 102,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,443.50 : 185,528.76 = 74,013.66 : x
  2. Step 2: Convert to fraction form
    134,443.50/185,528.76 = 74,013.66/x
  3. Step 3: Cross multiply
    134,443.50x = 185,528.76 × 74,013.66
  4. Step 4: Simplify right side
    134,443.50x = 13,731,662,562.86
  5. Step 5: Solve for x
    x = 13,731,662,562.86/134,443.50
  6. Step 6: Final answer
    x = 102,137.05

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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.