Home / 165,281.12-247,776.28-65,511.35

Finding the Fourth Proportional to 165,281.12, 247,776.28 and 65,511.35

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Solution

The fourth proportional to 165,281.12, 247,776.28 and 65,511.35 is: 98,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,281.12 : 247,776.28 = 65,511.35 : x
  2. Step 2: Convert to fraction form
    165,281.12/247,776.28 = 65,511.35/x
  3. Step 3: Cross multiply
    165,281.12x = 247,776.28 × 65,511.35
  4. Step 4: Simplify right side
    165,281.12x = 16,232,157,198.12
  5. Step 5: Solve for x
    x = 16,232,157,198.12/165,281.12
  6. Step 6: Final answer
    x = 98,209.38

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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.