Home / 157,527.88-235,287.56-142,512.04

Finding the Fourth Proportional to 157,527.88, 235,287.56 and 142,512.04

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Solution

The fourth proportional to 157,527.88, 235,287.56 and 142,512.04 is: 212,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,527.88 : 235,287.56 = 142,512.04 : x
  2. Step 2: Convert to fraction form
    157,527.88/235,287.56 = 142,512.04/x
  3. Step 3: Cross multiply
    157,527.88x = 235,287.56 × 142,512.04
  4. Step 4: Simplify right side
    157,527.88x = 33,531,310,162.22
  5. Step 5: Solve for x
    x = 33,531,310,162.22/157,527.88
  6. Step 6: Final answer
    x = 212,859.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.