Home / 428,199.51-590,867.61-237,165.06

Finding the Fourth Proportional to 428,199.51, 590,867.61 and 237,165.06

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Solution

The fourth proportional to 428,199.51, 590,867.61 and 237,165.06 is: 327,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,199.51 : 590,867.61 = 237,165.06 : x
  2. Step 2: Convert to fraction form
    428,199.51/590,867.61 = 237,165.06/x
  3. Step 3: Cross multiply
    428,199.51x = 590,867.61 × 237,165.06
  4. Step 4: Simplify right side
    428,199.51x = 140,133,152,177.71
  5. Step 5: Solve for x
    x = 140,133,152,177.71/428,199.51
  6. Step 6: Final answer
    x = 327,261.36

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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.