Home / 104,430.14-144,109.73-56,682.47

Finding the Fourth Proportional to 104,430.14, 144,109.73 and 56,682.47

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Solution

The fourth proportional to 104,430.14, 144,109.73 and 56,682.47 is: 78,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.14 : 144,109.73 = 56,682.47 : x
  2. Step 2: Convert to fraction form
    104,430.14/144,109.73 = 56,682.47/x
  3. Step 3: Cross multiply
    104,430.14x = 144,109.73 × 56,682.47
  4. Step 4: Simplify right side
    104,430.14x = 8,168,495,447.43
  5. Step 5: Solve for x
    x = 8,168,495,447.43/104,430.14
  6. Step 6: Final answer
    x = 78,219.71

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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.