Home / 119,219.07-164,521.82-65,503.92

Finding the Fourth Proportional to 119,219.07, 164,521.82 and 65,503.92

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Solution

The fourth proportional to 119,219.07, 164,521.82 and 65,503.92 is: 90,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,219.07 : 164,521.82 = 65,503.92 : x
  2. Step 2: Convert to fraction form
    119,219.07/164,521.82 = 65,503.92/x
  3. Step 3: Cross multiply
    119,219.07x = 164,521.82 × 65,503.92
  4. Step 4: Simplify right side
    119,219.07x = 10,776,823,396.71
  5. Step 5: Solve for x
    x = 10,776,823,396.71/119,219.07
  6. Step 6: Final answer
    x = 90,395.13

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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.