Home / 253,615.48-350,000.43-140,438.23

Finding the Fourth Proportional to 253,615.48, 350,000.43 and 140,438.23

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Solution

The fourth proportional to 253,615.48, 350,000.43 and 140,438.23 is: 193,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,615.48 : 350,000.43 = 140,438.23 : x
  2. Step 2: Convert to fraction form
    253,615.48/350,000.43 = 140,438.23/x
  3. Step 3: Cross multiply
    253,615.48x = 350,000.43 × 140,438.23
  4. Step 4: Simplify right side
    253,615.48x = 49,153,440,888.44
  5. Step 5: Solve for x
    x = 49,153,440,888.44/253,615.48
  6. Step 6: Final answer
    x = 193,810.89

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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.