Home / 190,084.05-262,288.53-105,200.91

Finding the Fourth Proportional to 190,084.05, 262,288.53 and 105,200.91

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Solution

The fourth proportional to 190,084.05, 262,288.53 and 105,200.91 is: 145,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,084.05 : 262,288.53 = 105,200.91 : x
  2. Step 2: Convert to fraction form
    190,084.05/262,288.53 = 105,200.91/x
  3. Step 3: Cross multiply
    190,084.05x = 262,288.53 × 105,200.91
  4. Step 4: Simplify right side
    190,084.05x = 27,592,992,038.56
  5. Step 5: Solve for x
    x = 27,592,992,038.56/190,084.05
  6. Step 6: Final answer
    x = 145,162.06

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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.