Home / 131,868.12-197,827.14-52,988.52

Finding the Fourth Proportional to 131,868.12, 197,827.14 and 52,988.52

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Solution

The fourth proportional to 131,868.12, 197,827.14 and 52,988.52 is: 79,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868.12 : 197,827.14 = 52,988.52 : x
  2. Step 2: Convert to fraction form
    131,868.12/197,827.14 = 52,988.52/x
  3. Step 3: Cross multiply
    131,868.12x = 197,827.14 × 52,988.52
  4. Step 4: Simplify right side
    131,868.12x = 10,482,567,364.43
  5. Step 5: Solve for x
    x = 10,482,567,364.43/131,868.12
  6. Step 6: Final answer
    x = 79,492.81

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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.