Home / 191,763.18-264,633.48-106,878.42

Finding the Fourth Proportional to 191,763.18, 264,633.48 and 106,878.42

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Solution

The fourth proportional to 191,763.18, 264,633.48 and 106,878.42 is: 147,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,763.18 : 264,633.48 = 106,878.42 : x
  2. Step 2: Convert to fraction form
    191,763.18/264,633.48 = 106,878.42/x
  3. Step 3: Cross multiply
    191,763.18x = 264,633.48 × 106,878.42
  4. Step 4: Simplify right side
    191,763.18x = 28,283,608,221.50
  5. Step 5: Solve for x
    x = 28,283,608,221.50/191,763.18
  6. Step 6: Final answer
    x = 147,492.38

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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.