Home / 186,465.18-279,722.16-68,192.22

Finding the Fourth Proportional to 186,465.18, 279,722.16 and 68,192.22

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Solution

The fourth proportional to 186,465.18, 279,722.16 and 68,192.22 is: 102,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,465.18 : 279,722.16 = 68,192.22 : x
  2. Step 2: Convert to fraction form
    186,465.18/279,722.16 = 68,192.22/x
  3. Step 3: Cross multiply
    186,465.18x = 279,722.16 × 68,192.22
  4. Step 4: Simplify right side
    186,465.18x = 19,074,875,073.60
  5. Step 5: Solve for x
    x = 19,074,875,073.60/186,465.18
  6. Step 6: Final answer
    x = 102,297.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.