Home / 164,931.58-247,363.35-80,605.18

Finding the Fourth Proportional to 164,931.58, 247,363.35 and 80,605.18

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Solution

The fourth proportional to 164,931.58, 247,363.35 and 80,605.18 is: 120,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,931.58 : 247,363.35 = 80,605.18 : x
  2. Step 2: Convert to fraction form
    164,931.58/247,363.35 = 80,605.18/x
  3. Step 3: Cross multiply
    164,931.58x = 247,363.35 × 80,605.18
  4. Step 4: Simplify right side
    164,931.58x = 19,938,767,352.15
  5. Step 5: Solve for x
    x = 19,938,767,352.15/164,931.58
  6. Step 6: Final answer
    x = 120,891.14

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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.