Home / 176,727.75-243,882.40-105,106.20

Finding the Fourth Proportional to 176,727.75, 243,882.40 and 105,106.20

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Solution

The fourth proportional to 176,727.75, 243,882.40 and 105,106.20 is: 145,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,727.75 : 243,882.40 = 105,106.20 : x
  2. Step 2: Convert to fraction form
    176,727.75/243,882.40 = 105,106.20/x
  3. Step 3: Cross multiply
    176,727.75x = 243,882.40 × 105,106.20
  4. Step 4: Simplify right side
    176,727.75x = 25,633,552,310.88
  5. Step 5: Solve for x
    x = 25,633,552,310.88/176,727.75
  6. Step 6: Final answer
    x = 145,045.43

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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.