Home / 190,373.40-262,715.27-105,490.46

Finding the Fourth Proportional to 190,373.40, 262,715.27 and 105,490.46

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Solution

The fourth proportional to 190,373.40, 262,715.27 and 105,490.46 is: 145,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,373.40 : 262,715.27 = 105,490.46 : x
  2. Step 2: Convert to fraction form
    190,373.40/262,715.27 = 105,490.46/x
  3. Step 3: Cross multiply
    190,373.40x = 262,715.27 × 105,490.46
  4. Step 4: Simplify right side
    190,373.40x = 27,713,955,601.84
  5. Step 5: Solve for x
    x = 27,713,955,601.84/190,373.40
  6. Step 6: Final answer
    x = 145,576.83

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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.