Home / 186,079.53-256,784.27-105,514.41

Finding the Fourth Proportional to 186,079.53, 256,784.27 and 105,514.41

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Solution

The fourth proportional to 186,079.53, 256,784.27 and 105,514.41 is: 145,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,079.53 : 256,784.27 = 105,514.41 : x
  2. Step 2: Convert to fraction form
    186,079.53/256,784.27 = 105,514.41/x
  3. Step 3: Cross multiply
    186,079.53x = 256,784.27 × 105,514.41
  4. Step 4: Simplify right side
    186,079.53x = 27,094,440,218.76
  5. Step 5: Solve for x
    x = 27,094,440,218.76/186,079.53
  6. Step 6: Final answer
    x = 145,606.77

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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.