Home / 131,116.11-196,674.36-56,187.66

Finding the Fourth Proportional to 131,116.11, 196,674.36 and 56,187.66

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Solution

The fourth proportional to 131,116.11, 196,674.36 and 56,187.66 is: 84,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,116.11 : 196,674.36 = 56,187.66 : x
  2. Step 2: Convert to fraction form
    131,116.11/196,674.36 = 56,187.66/x
  3. Step 3: Cross multiply
    131,116.11x = 196,674.36 × 56,187.66
  4. Step 4: Simplify right side
    131,116.11x = 11,050,672,070.40
  5. Step 5: Solve for x
    x = 11,050,672,070.40/131,116.11
  6. Step 6: Final answer
    x = 84,281.57

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1.5x scale

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.