Home / 186,079.16-256,783.75-105,514.04

Finding the Fourth Proportional to 186,079.16, 256,783.75 and 105,514.04

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Solution

The fourth proportional to 186,079.16, 256,783.75 and 105,514.04 is: 145,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,079.16 : 256,783.75 = 105,514.04 : x
  2. Step 2: Convert to fraction form
    186,079.16/256,783.75 = 105,514.04/x
  3. Step 3: Cross multiply
    186,079.16x = 256,783.75 × 105,514.04
  4. Step 4: Simplify right side
    186,079.16x = 27,094,289,321.15
  5. Step 5: Solve for x
    x = 27,094,289,321.15/186,079.16
  6. Step 6: Final answer
    x = 145,606.26

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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.