Home / 475,301.20-712,952.33-120,315.22

Finding the Fourth Proportional to 475,301.20, 712,952.33 and 120,315.22

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Solution

The fourth proportional to 475,301.20, 712,952.33 and 120,315.22 is: 180,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,301.20 : 712,952.33 = 120,315.22 : x
  2. Step 2: Convert to fraction form
    475,301.20/712,952.33 = 120,315.22/x
  3. Step 3: Cross multiply
    475,301.20x = 712,952.33 × 120,315.22
  4. Step 4: Simplify right side
    475,301.20x = 85,779,014,049.51
  5. Step 5: Solve for x
    x = 85,779,014,049.51/475,301.20
  6. Step 6: Final answer
    x = 180,472.96

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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.