Home / 435,588.12-653,243.94-140,031

Finding the Fourth Proportional to 435,588.12, 653,243.94 and 140,031

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Solution

The fourth proportional to 435,588.12, 653,243.94 and 140,031 is: 210,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,588.12 : 653,243.94 = 140,031 : x
  2. Step 2: Convert to fraction form
    435,588.12/653,243.94 = 140,031/x
  3. Step 3: Cross multiply
    435,588.12x = 653,243.94 × 140,031
  4. Step 4: Simplify right side
    435,588.12x = 91,474,402,162.14
  5. Step 5: Solve for x
    x = 91,474,402,162.14/435,588.12
  6. Step 6: Final answer
    x = 210,002.06

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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.