Home / 119,280.60-164,622.80-76,962.24

Finding the Fourth Proportional to 119,280.60, 164,622.80 and 76,962.24

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Solution

The fourth proportional to 119,280.60, 164,622.80 and 76,962.24 is: 106,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,280.60 : 164,622.80 = 76,962.24 : x
  2. Step 2: Convert to fraction form
    119,280.60/164,622.80 = 76,962.24/x
  3. Step 3: Cross multiply
    119,280.60x = 164,622.80 × 76,962.24
  4. Step 4: Simplify right side
    119,280.60x = 12,669,739,443.07
  5. Step 5: Solve for x
    x = 12,669,739,443.07/119,280.60
  6. Step 6: Final answer
    x = 106,217.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.