Home / 186,036.30-256,723.02-101,153.43

Finding the Fourth Proportional to 186,036.30, 256,723.02 and 101,153.43

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Solution

The fourth proportional to 186,036.30, 256,723.02 and 101,153.43 is: 139,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,036.30 : 256,723.02 = 101,153.43 : x
  2. Step 2: Convert to fraction form
    186,036.30/256,723.02 = 101,153.43/x
  3. Step 3: Cross multiply
    186,036.30x = 256,723.02 × 101,153.43
  4. Step 4: Simplify right side
    186,036.30x = 25,968,414,032.96
  5. Step 5: Solve for x
    x = 25,968,414,032.96/186,036.30
  6. Step 6: Final answer
    x = 139,587.89

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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.