Home / 187,445.35-258,674.01-101,404.31

Finding the Fourth Proportional to 187,445.35, 258,674.01 and 101,404.31

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Solution

The fourth proportional to 187,445.35, 258,674.01 and 101,404.31 is: 139,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,445.35 : 258,674.01 = 101,404.31 : x
  2. Step 2: Convert to fraction form
    187,445.35/258,674.01 = 101,404.31/x
  3. Step 3: Cross multiply
    187,445.35x = 258,674.01 × 101,404.31
  4. Step 4: Simplify right side
    187,445.35x = 26,230,659,498.98
  5. Step 5: Solve for x
    x = 26,230,659,498.98/187,445.35
  6. Step 6: Final answer
    x = 139,937.64

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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.