Home / 119,526.48-164,946.78-65,815.20

Finding the Fourth Proportional to 119,526.48, 164,946.78 and 65,815.20

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Solution

The fourth proportional to 119,526.48, 164,946.78 and 65,815.20 is: 90,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,526.48 : 164,946.78 = 65,815.20 : x
  2. Step 2: Convert to fraction form
    119,526.48/164,946.78 = 65,815.20/x
  3. Step 3: Cross multiply
    119,526.48x = 164,946.78 × 65,815.20
  4. Step 4: Simplify right side
    119,526.48x = 10,856,005,315.06
  5. Step 5: Solve for x
    x = 10,856,005,315.06/119,526.48
  6. Step 6: Final answer
    x = 90,825.11

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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.