Home / 231,900.05-347,809.06-105,510.58

Finding the Fourth Proportional to 231,900.05, 347,809.06 and 105,510.58

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Solution

The fourth proportional to 231,900.05, 347,809.06 and 105,510.58 is: 158,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,900.05 : 347,809.06 = 105,510.58 : x
  2. Step 2: Convert to fraction form
    231,900.05/347,809.06 = 105,510.58/x
  3. Step 3: Cross multiply
    231,900.05x = 347,809.06 × 105,510.58
  4. Step 4: Simplify right side
    231,900.05x = 36,697,535,649.85
  5. Step 5: Solve for x
    x = 36,697,535,649.85/231,900.05
  6. Step 6: Final answer
    x = 158,247.21

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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.