Home / 173,448.91-239,433.27-105,487.71

Finding the Fourth Proportional to 173,448.91, 239,433.27 and 105,487.71

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Solution

The fourth proportional to 173,448.91, 239,433.27 and 105,487.71 is: 145,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,448.91 : 239,433.27 = 105,487.71 : x
  2. Step 2: Convert to fraction form
    173,448.91/239,433.27 = 105,487.71/x
  3. Step 3: Cross multiply
    173,448.91x = 239,433.27 × 105,487.71
  4. Step 4: Simplify right side
    173,448.91x = 25,257,267,350.11
  5. Step 5: Solve for x
    x = 25,257,267,350.11/173,448.91
  6. Step 6: Final answer
    x = 145,617.91

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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.