Home / 186,119.27-279,303.98-185,434.49

Finding the Fourth Proportional to 186,119.27, 279,303.98 and 185,434.49

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Solution

The fourth proportional to 186,119.27, 279,303.98 and 185,434.49 is: 278,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,119.27 : 279,303.98 = 185,434.49 : x
  2. Step 2: Convert to fraction form
    186,119.27/279,303.98 = 185,434.49/x
  3. Step 3: Cross multiply
    186,119.27x = 279,303.98 × 185,434.49
  4. Step 4: Simplify right side
    186,119.27x = 51,792,588,762.58
  5. Step 5: Solve for x
    x = 51,792,588,762.58/186,119.27
  6. Step 6: Final answer
    x = 278,276.34

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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.