Home / 435,766.14-653,686.86-120,223.05

Finding the Fourth Proportional to 435,766.14, 653,686.86 and 120,223.05

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Solution

The fourth proportional to 435,766.14, 653,686.86 and 120,223.05 is: 180,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,766.14 : 653,686.86 = 120,223.05 : x
  2. Step 2: Convert to fraction form
    435,766.14/653,686.86 = 120,223.05/x
  3. Step 3: Cross multiply
    435,766.14x = 653,686.86 × 120,223.05
  4. Step 4: Simplify right side
    435,766.14x = 78,588,228,054.12
  5. Step 5: Solve for x
    x = 78,588,228,054.12/435,766.14
  6. Step 6: Final answer
    x = 180,344.96

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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.