Home / 136,191.32-187,950.10-113,492.31

Finding the Fourth Proportional to 136,191.32, 187,950.10 and 113,492.31

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Solution

The fourth proportional to 136,191.32, 187,950.10 and 113,492.31 is: 156,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,191.32 : 187,950.10 = 113,492.31 : x
  2. Step 2: Convert to fraction form
    136,191.32/187,950.10 = 113,492.31/x
  3. Step 3: Cross multiply
    136,191.32x = 187,950.10 × 113,492.31
  4. Step 4: Simplify right side
    136,191.32x = 21,330,891,504.62
  5. Step 5: Solve for x
    x = 21,330,891,504.62/136,191.32
  6. Step 6: Final answer
    x = 156,624.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.