Home / 191,268.53-263,950.58-105,225.67

Finding the Fourth Proportional to 191,268.53, 263,950.58 and 105,225.67

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Solution

The fourth proportional to 191,268.53, 263,950.58 and 105,225.67 is: 145,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,268.53 : 263,950.58 = 105,225.67 : x
  2. Step 2: Convert to fraction form
    191,268.53/263,950.58 = 105,225.67/x
  3. Step 3: Cross multiply
    191,268.53x = 263,950.58 × 105,225.67
  4. Step 4: Simplify right side
    191,268.53x = 27,774,375,441.38
  5. Step 5: Solve for x
    x = 27,774,375,441.38/191,268.53
  6. Step 6: Final answer
    x = 145,211.42

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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.