Home / 134,734.50-185,931.11-74,310.76

Finding the Fourth Proportional to 134,734.50, 185,931.11 and 74,310.76

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Solution

The fourth proportional to 134,734.50, 185,931.11 and 74,310.76 is: 102,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734.50 : 185,931.11 = 74,310.76 : x
  2. Step 2: Convert to fraction form
    134,734.50/185,931.11 = 74,310.76/x
  3. Step 3: Cross multiply
    134,734.50x = 185,931.11 × 74,310.76
  4. Step 4: Simplify right side
    134,734.50x = 13,816,682,091.74
  5. Step 5: Solve for x
    x = 13,816,682,091.74/134,734.50
  6. Step 6: Final answer
    x = 102,547.47

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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.