Home / 435,848.32-653,723.52-120,350.08

Finding the Fourth Proportional to 435,848.32, 653,723.52 and 120,350.08

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Solution

The fourth proportional to 435,848.32, 653,723.52 and 120,350.08 is: 180,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,848.32 : 653,723.52 = 120,350.08 : x
  2. Step 2: Convert to fraction form
    435,848.32/653,723.52 = 120,350.08/x
  3. Step 3: Cross multiply
    435,848.32x = 653,723.52 × 120,350.08
  4. Step 4: Simplify right side
    435,848.32x = 78,675,677,929.88
  5. Step 5: Solve for x
    x = 78,675,677,929.88/435,848.32
  6. Step 6: Final answer
    x = 180,511.60

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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.