Home / 134,734.49-185,931.14-74,310.72

Finding the Fourth Proportional to 134,734.49, 185,931.14 and 74,310.72

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Solution

The fourth proportional to 134,734.49, 185,931.14 and 74,310.72 is: 102,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734.49 : 185,931.14 = 74,310.72 : x
  2. Step 2: Convert to fraction form
    134,734.49/185,931.14 = 74,310.72/x
  3. Step 3: Cross multiply
    134,734.49x = 185,931.14 × 74,310.72
  4. Step 4: Simplify right side
    134,734.49x = 13,816,676,512.27
  5. Step 5: Solve for x
    x = 13,816,676,512.27/134,734.49
  6. Step 6: Final answer
    x = 102,547.44

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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.