Home / 238,090.48-328,579.63-157,378.03

Finding the Fourth Proportional to 238,090.48, 328,579.63 and 157,378.03

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Solution

The fourth proportional to 238,090.48, 328,579.63 and 157,378.03 is: 217,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,090.48 : 328,579.63 = 157,378.03 : x
  2. Step 2: Convert to fraction form
    238,090.48/328,579.63 = 157,378.03/x
  3. Step 3: Cross multiply
    238,090.48x = 328,579.63 × 157,378.03
  4. Step 4: Simplify right side
    238,090.48x = 51,711,215,943.52
  5. Step 5: Solve for x
    x = 51,711,215,943.52/238,090.48
  6. Step 6: Final answer
    x = 217,191.44

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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.