Home / 353,243.60-529,865.40-153,659.60

Finding the Fourth Proportional to 353,243.60, 529,865.40 and 153,659.60

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Solution

The fourth proportional to 353,243.60, 529,865.40 and 153,659.60 is: 230,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,243.60 : 529,865.40 = 153,659.60 : x
  2. Step 2: Convert to fraction form
    353,243.60/529,865.40 = 153,659.60/x
  3. Step 3: Cross multiply
    353,243.60x = 529,865.40 × 153,659.60
  4. Step 4: Simplify right side
    353,243.60x = 81,418,905,417.84
  5. Step 5: Solve for x
    x = 81,418,905,417.84/353,243.60
  6. Step 6: Final answer
    x = 230,489.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.