Home / 173,425.67-239,366.04-105,428.25

Finding the Fourth Proportional to 173,425.67, 239,366.04 and 105,428.25

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Solution

The fourth proportional to 173,425.67, 239,366.04 and 105,428.25 is: 145,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,425.67 : 239,366.04 = 105,428.25 : x
  2. Step 2: Convert to fraction form
    173,425.67/239,366.04 = 105,428.25/x
  3. Step 3: Cross multiply
    173,425.67x = 239,366.04 × 105,428.25
  4. Step 4: Simplify right side
    173,425.67x = 25,235,942,311.27
  5. Step 5: Solve for x
    x = 25,235,942,311.27/173,425.67
  6. Step 6: Final answer
    x = 145,514.45

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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.