Home / 173,617.32-239,609.76-105,639.24

Finding the Fourth Proportional to 173,617.32, 239,609.76 and 105,639.24

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Solution

The fourth proportional to 173,617.32, 239,609.76 and 105,639.24 is: 145,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,617.32 : 239,609.76 = 105,639.24 : x
  2. Step 2: Convert to fraction form
    173,617.32/239,609.76 = 105,639.24/x
  3. Step 3: Cross multiply
    173,617.32x = 239,609.76 × 105,639.24
  4. Step 4: Simplify right side
    173,617.32x = 25,312,192,942.98
  5. Step 5: Solve for x
    x = 25,312,192,942.98/173,617.32
  6. Step 6: Final answer
    x = 145,793.02

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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.