Home / 119,518.20-164,933.74-65,802.08

Finding the Fourth Proportional to 119,518.20, 164,933.74 and 65,802.08

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Solution

The fourth proportional to 119,518.20, 164,933.74 and 65,802.08 is: 90,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,518.20 : 164,933.74 = 65,802.08 : x
  2. Step 2: Convert to fraction form
    119,518.20/164,933.74 = 65,802.08/x
  3. Step 3: Cross multiply
    119,518.20x = 164,933.74 × 65,802.08
  4. Step 4: Simplify right side
    119,518.20x = 10,852,983,154.18
  5. Step 5: Solve for x
    x = 10,852,983,154.18/119,518.20
  6. Step 6: Final answer
    x = 90,806.11

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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.