Home / 119,301.92-164,636.70-65,586.50

Finding the Fourth Proportional to 119,301.92, 164,636.70 and 65,586.50

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Solution

The fourth proportional to 119,301.92, 164,636.70 and 65,586.50 is: 90,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,301.92 : 164,636.70 = 65,586.50 : x
  2. Step 2: Convert to fraction form
    119,301.92/164,636.70 = 65,586.50/x
  3. Step 3: Cross multiply
    119,301.92x = 164,636.70 × 65,586.50
  4. Step 4: Simplify right side
    119,301.92x = 10,797,944,924.55
  5. Step 5: Solve for x
    x = 10,797,944,924.55/119,301.92
  6. Step 6: Final answer
    x = 90,509.40

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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.