Home / 175,715.10-263,178.90-105,449.22

Finding the Fourth Proportional to 175,715.10, 263,178.90 and 105,449.22

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Solution

The fourth proportional to 175,715.10, 263,178.90 and 105,449.22 is: 157,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,715.10 : 263,178.90 = 105,449.22 : x
  2. Step 2: Convert to fraction form
    175,715.10/263,178.90 = 105,449.22/x
  3. Step 3: Cross multiply
    175,715.10x = 263,178.90 × 105,449.22
  4. Step 4: Simplify right side
    175,715.10x = 27,752,009,725.46
  5. Step 5: Solve for x
    x = 27,752,009,725.46/175,715.10
  6. Step 6: Final answer
    x = 157,937.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.