Home / 235,215.88-324,597.07-127,784.98

Finding the Fourth Proportional to 235,215.88, 324,597.07 and 127,784.98

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Solution

The fourth proportional to 235,215.88, 324,597.07 and 127,784.98 is: 176,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,215.88 : 324,597.07 = 127,784.98 : x
  2. Step 2: Convert to fraction form
    235,215.88/324,597.07 = 127,784.98/x
  3. Step 3: Cross multiply
    235,215.88x = 324,597.07 × 127,784.98
  4. Step 4: Simplify right side
    235,215.88x = 41,478,628,837.63
  5. Step 5: Solve for x
    x = 41,478,628,837.63/235,215.88
  6. Step 6: Final answer
    x = 176,342.81

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1.5x scale

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.