Home / 119,069.90-164,318.59-65,359.92

Finding the Fourth Proportional to 119,069.90, 164,318.59 and 65,359.92

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Solution

The fourth proportional to 119,069.90, 164,318.59 and 65,359.92 is: 90,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,069.90 : 164,318.59 = 65,359.92 : x
  2. Step 2: Convert to fraction form
    119,069.90/164,318.59 = 65,359.92/x
  3. Step 3: Cross multiply
    119,069.90x = 164,318.59 × 65,359.92
  4. Step 4: Simplify right side
    119,069.90x = 10,739,849,670.52
  5. Step 5: Solve for x
    x = 10,739,849,670.52/119,069.90
  6. Step 6: Final answer
    x = 90,197.85

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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.