Home / 434,709.40-651,830.82-135,061.24

Finding the Fourth Proportional to 434,709.40, 651,830.82 and 135,061.24

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Solution

The fourth proportional to 434,709.40, 651,830.82 and 135,061.24 is: 202,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,709.40 : 651,830.82 = 135,061.24 : x
  2. Step 2: Convert to fraction form
    434,709.40/651,830.82 = 135,061.24/x
  3. Step 3: Cross multiply
    434,709.40x = 651,830.82 × 135,061.24
  4. Step 4: Simplify right side
    434,709.40x = 88,037,078,819.42
  5. Step 5: Solve for x
    x = 88,037,078,819.42/434,709.40
  6. Step 6: Final answer
    x = 202,519.38

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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.