Home / 435,421.08-653,380.34-169,146.94

Finding the Fourth Proportional to 435,421.08, 653,380.34 and 169,146.94

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Solution

The fourth proportional to 435,421.08, 653,380.34 and 169,146.94 is: 253,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,421.08 : 653,380.34 = 169,146.94 : x
  2. Step 2: Convert to fraction form
    435,421.08/653,380.34 = 169,146.94/x
  3. Step 3: Cross multiply
    435,421.08x = 653,380.34 × 169,146.94
  4. Step 4: Simplify right side
    435,421.08x = 110,517,285,167.16
  5. Step 5: Solve for x
    x = 110,517,285,167.16/435,421.08
  6. Step 6: Final answer
    x = 253,817.03

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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.