Home / 134,927.60-186,203-74,502.07

Finding the Fourth Proportional to 134,927.60, 186,203 and 74,502.07

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Solution

The fourth proportional to 134,927.60, 186,203 and 74,502.07 is: 102,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,927.60 : 186,203 = 74,502.07 : x
  2. Step 2: Convert to fraction form
    134,927.60/186,203 = 74,502.07/x
  3. Step 3: Cross multiply
    134,927.60x = 186,203 × 74,502.07
  4. Step 4: Simplify right side
    134,927.60x = 13,872,508,940.21
  5. Step 5: Solve for x
    x = 13,872,508,940.21/134,927.60
  6. Step 6: Final answer
    x = 102,814.46

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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.