Home / 152,737.30-229,013.82-68,482.21

Finding the Fourth Proportional to 152,737.30, 229,013.82 and 68,482.21

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Solution

The fourth proportional to 152,737.30, 229,013.82 and 68,482.21 is: 102,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,737.30 : 229,013.82 = 68,482.21 : x
  2. Step 2: Convert to fraction form
    152,737.30/229,013.82 = 68,482.21/x
  3. Step 3: Cross multiply
    152,737.30x = 229,013.82 × 68,482.21
  4. Step 4: Simplify right side
    152,737.30x = 15,683,372,514.14
  5. Step 5: Solve for x
    x = 15,683,372,514.14/152,737.30
  6. Step 6: Final answer
    x = 102,682.01

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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.