Home / 186,626.36-257,549.28-115,053.68

Finding the Fourth Proportional to 186,626.36, 257,549.28 and 115,053.68

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Solution

The fourth proportional to 186,626.36, 257,549.28 and 115,053.68 is: 158,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626.36 : 257,549.28 = 115,053.68 : x
  2. Step 2: Convert to fraction form
    186,626.36/257,549.28 = 115,053.68/x
  3. Step 3: Cross multiply
    186,626.36x = 257,549.28 × 115,053.68
  4. Step 4: Simplify right side
    186,626.36x = 29,631,992,445.35
  5. Step 5: Solve for x
    x = 29,631,992,445.35/186,626.36
  6. Step 6: Final answer
    x = 158,777.10

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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.