Home / 131,403.40-197,116.04-56,525.36

Finding the Fourth Proportional to 131,403.40, 197,116.04 and 56,525.36

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Solution

The fourth proportional to 131,403.40, 197,116.04 and 56,525.36 is: 84,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,403.40 : 197,116.04 = 56,525.36 : x
  2. Step 2: Convert to fraction form
    131,403.40/197,116.04 = 56,525.36/x
  3. Step 3: Cross multiply
    131,403.40x = 197,116.04 × 56,525.36
  4. Step 4: Simplify right side
    131,403.40x = 11,142,055,122.77
  5. Step 5: Solve for x
    x = 11,142,055,122.77/131,403.40
  6. Step 6: Final answer
    x = 84,792.75

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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.