Home / 173,315.63-239,175.70-100,732.75

Finding the Fourth Proportional to 173,315.63, 239,175.70 and 100,732.75

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Solution

The fourth proportional to 173,315.63, 239,175.70 and 100,732.75 is: 139,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,315.63 : 239,175.70 = 100,732.75 : x
  2. Step 2: Convert to fraction form
    173,315.63/239,175.70 = 100,732.75/x
  3. Step 3: Cross multiply
    173,315.63x = 239,175.70 × 100,732.75
  4. Step 4: Simplify right side
    173,315.63x = 24,092,825,144.40
  5. Step 5: Solve for x
    x = 24,092,825,144.40/173,315.63
  6. Step 6: Final answer
    x = 139,011.26

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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.