Home / 173,344.40-239,044.68-105,370.64

Finding the Fourth Proportional to 173,344.40, 239,044.68 and 105,370.64

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Solution

The fourth proportional to 173,344.40, 239,044.68 and 105,370.64 is: 145,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,344.40 : 239,044.68 = 105,370.64 : x
  2. Step 2: Convert to fraction form
    173,344.40/239,044.68 = 105,370.64/x
  3. Step 3: Cross multiply
    173,344.40x = 239,044.68 × 105,370.64
  4. Step 4: Simplify right side
    173,344.40x = 25,188,290,920.20
  5. Step 5: Solve for x
    x = 25,188,290,920.20/173,344.40
  6. Step 6: Final answer
    x = 145,307.79

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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.