Home / 439,595.02-659,385.31-140,071.53

Finding the Fourth Proportional to 439,595.02, 659,385.31 and 140,071.53

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Solution

The fourth proportional to 439,595.02, 659,385.31 and 140,071.53 is: 210,104.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,595.02 : 659,385.31 = 140,071.53 : x
  2. Step 2: Convert to fraction form
    439,595.02/659,385.31 = 140,071.53/x
  3. Step 3: Cross multiply
    439,595.02x = 659,385.31 × 140,071.53
  4. Step 4: Simplify right side
    439,595.02x = 92,361,107,907.33
  5. Step 5: Solve for x
    x = 92,361,107,907.33/439,595.02
  6. Step 6: Final answer
    x = 210,104.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.