Home / 187,612.43-258,905.58-101,572.32

Finding the Fourth Proportional to 187,612.43, 258,905.58 and 101,572.32

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Solution

The fourth proportional to 187,612.43, 258,905.58 and 101,572.32 is: 140,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,612.43 : 258,905.58 = 101,572.32 : x
  2. Step 2: Convert to fraction form
    187,612.43/258,905.58 = 101,572.32/x
  3. Step 3: Cross multiply
    187,612.43x = 258,905.58 × 101,572.32
  4. Step 4: Simplify right side
    187,612.43x = 26,297,640,421.55
  5. Step 5: Solve for x
    x = 26,297,640,421.55/187,612.43
  6. Step 6: Final answer
    x = 140,170.03

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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.