Home / 173,306.52-239,178.98-105,307.72

Finding the Fourth Proportional to 173,306.52, 239,178.98 and 105,307.72

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Solution

The fourth proportional to 173,306.52, 239,178.98 and 105,307.72 is: 145,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,306.52 : 239,178.98 = 105,307.72 : x
  2. Step 2: Convert to fraction form
    173,306.52/239,178.98 = 105,307.72/x
  3. Step 3: Cross multiply
    173,306.52x = 239,178.98 × 105,307.72
  4. Step 4: Simplify right side
    173,306.52x = 25,187,393,055.73
  5. Step 5: Solve for x
    x = 25,187,393,055.73/173,306.52
  6. Step 6: Final answer
    x = 145,334.37

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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.