Home / 186,174.74-256,999.34-157,642.32

Finding the Fourth Proportional to 186,174.74, 256,999.34 and 157,642.32

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Solution

The fourth proportional to 186,174.74, 256,999.34 and 157,642.32 is: 217,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,174.74 : 256,999.34 = 157,642.32 : x
  2. Step 2: Convert to fraction form
    186,174.74/256,999.34 = 157,642.32/x
  3. Step 3: Cross multiply
    186,174.74x = 256,999.34 × 157,642.32
  4. Step 4: Simplify right side
    186,174.74x = 40,513,971,664.93
  5. Step 5: Solve for x
    x = 40,513,971,664.93/186,174.74
  6. Step 6: Final answer
    x = 217,612.62

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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.