Home / 191,136.61-263,775.29-105,102.14

Finding the Fourth Proportional to 191,136.61, 263,775.29 and 105,102.14

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Solution

The fourth proportional to 191,136.61, 263,775.29 and 105,102.14 is: 145,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,136.61 : 263,775.29 = 105,102.14 : x
  2. Step 2: Convert to fraction form
    191,136.61/263,775.29 = 105,102.14/x
  3. Step 3: Cross multiply
    191,136.61x = 263,775.29 × 105,102.14
  4. Step 4: Simplify right side
    191,136.61x = 27,723,347,458.12
  5. Step 5: Solve for x
    x = 27,723,347,458.12/191,136.61
  6. Step 6: Final answer
    x = 145,044.67

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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.