Home / 173,444.28-239,391.75-105,446.88

Finding the Fourth Proportional to 173,444.28, 239,391.75 and 105,446.88

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Solution

The fourth proportional to 173,444.28, 239,391.75 and 105,446.88 is: 145,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,444.28 : 239,391.75 = 105,446.88 : x
  2. Step 2: Convert to fraction form
    173,444.28/239,391.75 = 105,446.88/x
  3. Step 3: Cross multiply
    173,444.28x = 239,391.75 × 105,446.88
  4. Step 4: Simplify right side
    173,444.28x = 25,243,113,135.24
  5. Step 5: Solve for x
    x = 25,243,113,135.24/173,444.28
  6. Step 6: Final answer
    x = 145,540.19

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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.