Home / 134,872.10-202,308.15-64,715.30

Finding the Fourth Proportional to 134,872.10, 202,308.15 and 64,715.30

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Solution

The fourth proportional to 134,872.10, 202,308.15 and 64,715.30 is: 97,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,872.10 : 202,308.15 = 64,715.30 : x
  2. Step 2: Convert to fraction form
    134,872.10/202,308.15 = 64,715.30/x
  3. Step 3: Cross multiply
    134,872.10x = 202,308.15 × 64,715.30
  4. Step 4: Simplify right side
    134,872.10x = 13,092,432,619.70
  5. Step 5: Solve for x
    x = 13,092,432,619.70/134,872.10
  6. Step 6: Final answer
    x = 97,072.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.