Home / 104,430.23-144,109.85-56,682.56

Finding the Fourth Proportional to 104,430.23, 144,109.85 and 56,682.56

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Solution

The fourth proportional to 104,430.23, 144,109.85 and 56,682.56 is: 78,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.23 : 144,109.85 = 56,682.56 : x
  2. Step 2: Convert to fraction form
    104,430.23/144,109.85 = 56,682.56/x
  3. Step 3: Cross multiply
    104,430.23x = 144,109.85 × 56,682.56
  4. Step 4: Simplify right side
    104,430.23x = 8,168,514,215.25
  5. Step 5: Solve for x
    x = 8,168,514,215.25/104,430.23
  6. Step 6: Final answer
    x = 78,219.83

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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.