Home / 186,455.66-279,575.49-127,362.74

Finding the Fourth Proportional to 186,455.66, 279,575.49 and 127,362.74

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Solution

The fourth proportional to 186,455.66, 279,575.49 and 127,362.74 is: 190,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,455.66 : 279,575.49 = 127,362.74 : x
  2. Step 2: Convert to fraction form
    186,455.66/279,575.49 = 127,362.74/x
  3. Step 3: Cross multiply
    186,455.66x = 279,575.49 × 127,362.74
  4. Step 4: Simplify right side
    186,455.66x = 35,607,500,443.24
  5. Step 5: Solve for x
    x = 35,607,500,443.24/186,455.66
  6. Step 6: Final answer
    x = 190,970.34

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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.