Home / 435,368.44-653,029.59-135,814.69

Finding the Fourth Proportional to 435,368.44, 653,029.59 and 135,814.69

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Solution

The fourth proportional to 435,368.44, 653,029.59 and 135,814.69 is: 203,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,368.44 : 653,029.59 = 135,814.69 : x
  2. Step 2: Convert to fraction form
    435,368.44/653,029.59 = 135,814.69/x
  3. Step 3: Cross multiply
    435,368.44x = 653,029.59 × 135,814.69
  4. Step 4: Simplify right side
    435,368.44x = 88,691,008,061.53
  5. Step 5: Solve for x
    x = 88,691,008,061.53/435,368.44
  6. Step 6: Final answer
    x = 203,714.83

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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.