Home / 104,430.26-144,109.88-56,682.58

Finding the Fourth Proportional to 104,430.26, 144,109.88 and 56,682.58

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Solution

The fourth proportional to 104,430.26, 144,109.88 and 56,682.58 is: 78,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.26 : 144,109.88 = 56,682.58 : x
  2. Step 2: Convert to fraction form
    104,430.26/144,109.88 = 56,682.58/x
  3. Step 3: Cross multiply
    104,430.26x = 144,109.88 × 56,682.58
  4. Step 4: Simplify right side
    104,430.26x = 8,168,519,801.89
  5. Step 5: Solve for x
    x = 8,168,519,801.89/104,430.26
  6. Step 6: Final answer
    x = 78,219.86

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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.