Home / 190,226.17-262,520.02-105,343.30

Finding the Fourth Proportional to 190,226.17, 262,520.02 and 105,343.30

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Solution

The fourth proportional to 190,226.17, 262,520.02 and 105,343.30 is: 145,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,226.17 : 262,520.02 = 105,343.30 : x
  2. Step 2: Convert to fraction form
    190,226.17/262,520.02 = 105,343.30/x
  3. Step 3: Cross multiply
    190,226.17x = 262,520.02 × 105,343.30
  4. Step 4: Simplify right side
    190,226.17x = 27,654,725,222.87
  5. Step 5: Solve for x
    x = 27,654,725,222.87/190,226.17
  6. Step 6: Final answer
    x = 145,378.13

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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.