Home / 134,992.50-202,379.40-56,165.76

Finding the Fourth Proportional to 134,992.50, 202,379.40 and 56,165.76

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Solution

The fourth proportional to 134,992.50, 202,379.40 and 56,165.76 is: 84,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,992.50 : 202,379.40 = 56,165.76 : x
  2. Step 2: Convert to fraction form
    134,992.50/202,379.40 = 56,165.76/x
  3. Step 3: Cross multiply
    134,992.50x = 202,379.40 × 56,165.76
  4. Step 4: Simplify right side
    134,992.50x = 11,366,792,809.34
  5. Step 5: Solve for x
    x = 11,366,792,809.34/134,992.50
  6. Step 6: Final answer
    x = 84,203.14

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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.