Home / 173,601.36-239,587.60-105,623.20

Finding the Fourth Proportional to 173,601.36, 239,587.60 and 105,623.20

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Solution

The fourth proportional to 173,601.36, 239,587.60 and 105,623.20 is: 145,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,601.36 : 239,587.60 = 105,623.20 : x
  2. Step 2: Convert to fraction form
    173,601.36/239,587.60 = 105,623.20/x
  3. Step 3: Cross multiply
    173,601.36x = 239,587.60 × 105,623.20
  4. Step 4: Simplify right side
    173,601.36x = 25,306,008,992.32
  5. Step 5: Solve for x
    x = 25,306,008,992.32/173,601.36
  6. Step 6: Final answer
    x = 145,770.80

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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.