Home / 187,615.56-258,909.90-101,575.45

Finding the Fourth Proportional to 187,615.56, 258,909.90 and 101,575.45

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Solution

The fourth proportional to 187,615.56, 258,909.90 and 101,575.45 is: 140,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,615.56 : 258,909.90 = 101,575.45 : x
  2. Step 2: Convert to fraction form
    187,615.56/258,909.90 = 101,575.45/x
  3. Step 3: Cross multiply
    187,615.56x = 258,909.90 × 101,575.45
  4. Step 4: Simplify right side
    187,615.56x = 26,298,889,601.96
  5. Step 5: Solve for x
    x = 26,298,889,601.96/187,615.56
  6. Step 6: Final answer
    x = 140,174.35

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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.